Hello Ruby is the world's most whimsical way to learn about computers, programming and technology. Includes activities for all future coders.

What exactly is a computer? How does it work? What is it made of? Learn all this and more with Ruby! In Ruby's world anything is possible if you put your mind to it—even fixing her father's broken computer! Join Ruby and her new friend, Mouse, on an imaginative journey through the insides of a computer in search of the missing Cursor. From bits and logic gates to computer hardware, in Journey Inside the Computer, Ruby (and her readers!) will learn the basic elements of the machines that power our world. Then future kid coders can put their knowledge and imaginations to work with fun activities. Praise for Linda Liukas and the Hello Ruby series: "[Linda Liukas] wants kids to understand and embrace basic computer logic, so that they later formulate code in the same effortless and creative way they build structures with LEGO." —The Wall Street Journal "Hello Ruby by Linda Liukas is half picture book and half activity book rolled into one adorable package. What I love about it is that it introduces programming without requiring a computer at all." —GeekMom.com

What exactly is the internet? How does the information travel online? Readers will learn all this and more with Ruby in her third book, as programming superstar Liukas teaches kids all about the internet through storytelling and imaginative activities. Full color.

Ruby, a very small bird in a very big world, is looking for a friend, so she introduces herself in this stunning new picture book by Caldecott Medalist Stead ("A Sick Day for Amos McGee"). Full color.

"Introduces principles of computational thinking, illustrating high-level computer science concepts, the motivation behind them, and their application in a non-computer fairy tale domain."--Amazon.com.

"This book is filled with juicy young person wisdom." --Amy Poehler The definitive guide to being a teen in the modern age, with sage advice from a modern teenager and appealing to fans of Rookie. Earth Hates Me presents a look inside the mind of the modern teenager--from a modern teenager's perspective. Sixteen-year-old Ruby Karp addresses the issues facing every highschooler, from grades to peer pressure to Snapchat stories, and unpacks their complicated effects on the teen psyche. Ruby advises her peers on the importance of feminism ("not just the Spice Girls version"), how to deal with jealousy and friend break-ups, family life, and much more. The book takes an in-depth look at the effect of social media on modern teens and the growing pressures of choosing the right college and career. Amy Poehler says, "This book is filled with juicy young person wisdom." With Ruby's powerful underlying message "we are more than just a bunch of dumb teenagers obsessed with our phones," Earth Hates Me is the definitive guide to being a teen in the modern age.

Praise for Design Patterns in Ruby "Design Patterns in Ruby documents smart ways to resolve many problems that Ruby developers commonly encounter. Russ Olsen has done a great job of selecting classic patterns and augmenting these with newer patterns that have special relevance for Ruby. He clearly explains each idea, making a wealth of experience available to Ruby developers for their own daily work." —Steve Metsker, Managing Consultant with Dominion Digital, Inc. "This book provides a great demonstration of the key 'Gang of Four' design patterns without resorting to overly technical explanations. Written in a precise, yet almost informal style, this book covers enough ground that even those without prior exposure to design patterns will soon feel confident applying them using Ruby. Olsen has done a great job to make a book about a classically 'dry' subject into such an engaging and even occasionally humorous read." —Peter Cooper "This book renewed my interest in understanding patterns after a decade of good intentions. Russ picked the most useful patterns for Ruby and introduced them in a straightforward and logical manner, going beyond the GoF's patterns. This book has improved my use of Ruby, and encouraged me to blow off the dust covering the GoF book." —Mike Stok "Design Patterns in Ruby is a great way for programmers from statically typed objectoriented languages to learn how design patterns appear in a more dynamic, flexible language like Ruby." —Rob Sanheim, Ruby Ninja, Relevance Most design pattern books are based on C++ and Java. But Ruby is different—and the language's unique qualities make design patterns easier to implement and use. In this book, Russ Olsen demonstrates how to combine Ruby's power and elegance with patterns, and write more sophisticated, effective software with far fewer lines of code. After reviewing the history, concepts, and goals of design patterns, Olsen offers a quick tour of the Ruby language—enough to allow any experienced software developer to immediately utilize patterns with Ruby. The book especially calls attention to Ruby features that simplify the use of patterns, including dynamic typing, code closures, and "mixins" for easier code reuse. Fourteen of the classic "Gang of Four" patterns are considered from the Ruby point of view, explaining what problems each pattern solves, discussing whether traditional implementations make sense in the Ruby environment, and introducing Ruby-specific improvements. You'll discover opportunities to implement patterns in just one or two lines of code, instead of the endlessly repeated boilerplate that conventional languages often require. Design Patterns in Ruby also identifies innovative new patterns that have emerged from the Ruby community. These include ways to create custom objects with metaprogramming, as well as the ambitious Rails-based "Convention Over Configuration" pattern, designed to help integrate entire applications and frameworks. Engaging, practical, and accessible, Design Patterns in Ruby will help you build better software while making your Ruby programming experience more rewarding.