Limited Time Offer: Special NAUI Launch Promotion - Only $1.99 US (Regular MSRP $5.99 US) STEPDiver - Book 3 of 3 This third and final book, STEPDiver, covers the more advanced skills of buoyancy control, breath control, air management, swim technique (Frog kick), emergency techniques, and dive planning. These topics can be practiced at shallow depths of 3-5 meters, 10-17 feet, to build up solid experience. It is perfect for older children, from age 10 and up, who have already completed the first 2 books. It provides an extremely solid knowledge and skills base to eventually progress to the Junior Open Water Diver courses at an older age. Experience Before Depth: Where adventure begins, and learning never ends. Perfect for kids, but guaranteed fun for the whole family! EXPERIENCE BEFORE DEPTH - the training The books have been reviewed by NAUI, and align with corresponding training courses and certifications available on NAUI’s website. With practice, experience, and fun in shallow depths, kids and teens can seamlessly transition their newfound skills into natural behaviors and reactions underwater. As they grow and mature, they can progress year-over-year to deeper dives and lay a foundation of experience to take onto their SCUBA certification at an older age. EXPERIENCE BEFORE DEPTH - the series The Experience Before Depth books are a perfect blend of adventure, education, and safety, making it a must-have training companion and guide for all kids and teens who love diving, and their parents. With a dynamic and playful approach, young divers are inspired and encouraged to focus on safety and mastery of skills. The books are expertly written, with colorful illustrations and pictures and easy-to-understand texts. Interactive links add an extra dimension, bringing the content to life with engaging video clips. Practical hints and hands-on learning make it easy to grasp the fundamentals in a playful way. Rather than learning everything at once, each book covers a specific, age-appropriate selection of content from the many topics and materials of a traditional Junior Open Water Dive course. The same SCUBA skills and techniques are explained in easy language, introducing them gradually in extremely shallow water environments. Young divers can progress through them over time, at their own pace, building confidence and competence over time. Designed for enjoyment and learning, these books are perfect for SCUBA-certified parents to read together with their aspiring young divers, creating a bonding experience and reinforcing fundamental safety and behavioral skills.

Limited Time Offer: Special NAUI Launch Promotion - Only $1.99 US (Regular MSRP $5.99 US) STEPSurface - the first book This first book, STEPSurface, is the starting point for a child’s journey into the underwater world. It will get them excited to explore and experience! The focus is on becoming comfortable and confident underwater, basic breathing and regulator skills, and calm behavior on the dive. These topics can be practiced at the surface to build up fundamental experience. It is perfect for young children, ages 6 and up, who are good swimmers and comfortable in the water. It starts an initial foundation for safe and enjoyable underwater excursions, building the comfort, confidence and behaviors to eventually progress to underwater skills and experience at an older age with the follow up book. Experience Before Depth: Where adventure begins, and learning never ends. Perfect for kids, but guaranteed fun for the whole family! EXPERIENCE BEFORE DEPTH - the training The books have been reviewed by NAUI, and align with corresponding training courses and certifications available on NAUI’s website. With practice, experience, and fun in shallow depths, kids and teens can seamlessly transition their newfound skills into natural behaviors and reactions underwater. As they grow and mature, they can progress year-over-year to deeper dives and lay a foundation of experience to take onto their SCUBA certification at an older age. EXPERIENCE BEFORE DEPTH - the series The Experience Before Depth books are a perfect blend of adventure, education, and safety, making it a must-have training companion and guide for all kids and teens who love diving, and their parents. With a dynamic and playful approach, young divers are inspired and encouraged to focus on safety and mastery of skills. The books are expertly written, with colorful illustrations and pictures and easy-to-understand texts. Interactive links add an extra dimension, bringing the content to life with engaging video clips. Practical hints and hands-on learning make it easy to grasp the fundamentals in a playful way. Rather than learning everything at once, each book covers a specific, age-appropriate selection of content from the many topics and materials of a traditional Junior Open Water Dive course. The same SCUBA skills and techniques are explained in easy language, introducing them gradually in extremely shallow water environments. Young divers can progress through them over time, at their own pace, building confidence and competence over time. Designed for enjoyment and learning, these books are perfect for SCUBA-certified parents to read together with their aspiring young divers, creating a bonding experience and reinforcing fundamental safety and behavioral skills.

Limited Time Offer: Special NAUI Launch Promotion - Only $1.99 US (Regular MSRP $5.99 US) STEPUndersea - Book 2 of 3 This second book, STEPUndersea, covers the key safety and skills required to progress from the surface to the underwater. It covers equalization, mask clearing, neutral buoyancy, decent, and slow, controlled ascents. These topics can be practiced at very shallow depths of 1-2 meters, 3-7 feet, to build up solid experience. It is perfect for children, ages 8 and up, who have already built up the comfort, calm behaviors, and initial experience with the first book. It builds the right safety focus, behaviors, and engrained reactions to eventually progress to deeper water and more advanced buoyancy and SCUBA skills at an older age with the follow up book. Experience Before Depth: Where adventure begins, and learning never ends. Perfect for kids, but guaranteed fun for the whole family! EXPERIENCE BEFORE DEPTH - the training The books have been reviewed by NAUI, and align with corresponding training courses and certifications available on NAUI’s website. With practice, experience, and fun in shallow depths, kids and teens can seamlessly transition their newfound skills into natural behaviors and reactions underwater. As they grow and mature, they can progress year-over-year to deeper dives and lay a foundation of experience to take onto their SCUBA certification at an older age. EXPERIENCE BEFORE DEPTH - the series The Experience Before Depth books are a perfect blend of adventure, education, and safety, making it a must-have training companion and guide for all kids and teens who love diving, and their parents. With a dynamic and playful approach, young divers are inspired and encouraged to focus on safety and mastery of skills. The books are expertly written, with colorful illustrations and pictures and easy-to-understand texts. Interactive links add an extra dimension, bringing the content to life with engaging video clips. Practical hints and hands-on learning make it easy to grasp the fundamentals in a playful way. Rather than learning everything at once, each book covers a specific, age-appropriate selection of content from the many topics and materials of a traditional Junior Open Water Dive course. The same SCUBA skills and techniques are explained in easy language, introducing them gradually in extremely shallow water environments. Young divers can progress through them over time, at their own pace, building confidence and competence over time. Designed for enjoyment and learning, these books are perfect for SCUBA-certified parents to read together with their aspiring young divers, creating a bonding experience and reinforcing fundamental safety and behavioral skills.

STEPUndersea - Book 2 of 3 This second book, STEPUndersea, covers the key safety and skills required to progress from the surface to the underwater. It covers equalization, mask clearing, neutral buoyancy, decent, and slow, controlled ascents. These topics can be practiced at very shallow depths of 1-2 meters, 3-7 feet, to build up solid experience. It is perfect for children, ages 8 and up, who have already built up the comfort, calm behaviors, and initial experience with the first book. It builds the right safety focus, behaviors, and engrained reactions to eventually progress to deeper water and more advanced buoyancy and SCUBA skills at an older age with the follow up book. Experience Before Depth: Where adventure begins, and learning never ends. Perfect for kids, but guaranteed fun for the whole family! EXPERIENCE BEFORE DEPTH - the training The books have been reviewed by NAUI, and align with corresponding training courses and certifications available on NAUI's website. With practice, experience, and fun in shallow depths, kids and teens can seamlessly transition their newfound skills into natural behaviors and reactions underwater. As they grow and mature, they can progress year-over-year to deeper dives and lay a foundation of experience to take onto their SCUBA certification at an older age. EXPERIENCE BEFORE DEPTH - the series The Experience Before Depth books are a perfect blend of adventure, education, and safety, making it a must-have training companion and guide for all kids and teens who love diving, and their parents. With a dynamic and playful approach, young divers are inspired and encouraged to focus on safety and mastery of skills. The books are expertly written, with colorful illustrations and pictures and easy-to-understand texts. Interactive links add an extra dimension, bringing the content to life with engaging video clips. Practical hints and hands-on learning make it easy to grasp the fundamentals in a playful way. Rather than learning everything at once, each book covers a specific, age-appropriate selection of content from the many topics and materials of a traditional Junior Open Water Dive course. The same SCUBA skills and techniques are explained in easy language, introducing them gradually in extremely shallow water environments. Young divers can progress through them over time, at their own pace, building confidence and competence over time. Designed for enjoyment and learning, these books are perfect for SCUBA-certified parents to read together with their aspiring young divers, creating a bonding experience and reinforcing fundamental safety and behavioral skills.

Draws on more than three decades of research in microbial experimental evolution to provide a sketch of a general, empirically grounded theory of biodiversity and the first synthetic treatment of experimental evolution.

The Ancient Classics series provides eReaders with the wisdom of the Classical world, with both English translations and the original Latin and Greek texts. This comprehensive eBook presents the complete works of the great historian Thucydides, with beautiful illustrations, informative introductions and the usual Delphi bonus material. (Version 2) * Beautifully illustrated with images relating to Thucydides’ life and works * Features Benjamin Jowett’s scholarly translation and the original Greek text * Concise introduction to the text * Excellent formatting of the texts * Easily locate the sections you want to read with individual contents tables * Includes a special Dual Text feature, with paragraph by paragraph access to the Greek and English translation – ideal for students of Classical Greek * Also includes Xenophon’s seven book continuation: HELLENICA, allowing you to finish reading Thucydides’ unfinished work * Features two bonus biographies – discover Thucydides’ ancient world * Scholarly ordering of texts into chronological order and literary genres Please note: some EReader software programs cannot display Greek characters correctly, however they do display correctly on EReader devices. CONTENTS: The Translations THE HISTORY OF THE PELOPONNESIAN WAR XENOPHON’S HELLENICA The Greek Text PRONOUNCING ANCIENT GREEK CONTENTS OF GREEK TEXT Dual Text DUAL GREEK AND ENGLISH TEXT The Biographies INTRODUCTION TO THUCYDIDES by Charles Forster Smith THUCYDIDES by T. W. Lumb