While the circumnavigation of the solar system seems farfetched, it may not be once the problem of effective anti-gravitational control is solved. In this book I have assumed that the many researchers now actually at work on this problem will achieve such a result in the next decade. It is not at all impossible that they may - for we all know that the more minds that work at a problem, the sooner it will be solved. The discovery of a means of negating, reversing or otherwise utilizing the immense force of gravitation for space flight purposes is now thought to be within the bounds of probability. It should occur some time within the next hundred years, possibly in even the short period I assume here...

A high school senior takes part in the first circumnavigation of the solar system, an expedition designed to solve the mystery of the theft of the sun's rays.

People, children especially, have been baffled, bewildered, and even outraged by the fact that Pluto is no longer called a planet. Through whimsical artwork and an entertaining dialogue format, Pluto’s Secret explains the true story of this distant world. Providing a history of the small, icy world from its discovery and naming to its recent reclassification, this book presents a fascinating look at how scientists organize and classify our solar system as they gain new insights into how it works and what types of things exist within it. The book includes a glossary and bibliography. Praise for Pluto's Secret "Pairing a lighthearted narrative in a hand-lettered†“style typeface with informally drawn cartoon illustrations, this lively tale of astronomical revelations begins with the search for Planet X.†? —Kirkus Reviews "This picture book offers a fresh, positive perspective on Pluto, showing that its change of status is not a demotion but a correction." —Booklist "Light-hearted imagining of a gregarious Pluto.†? —Bulletin of the Center for Children's Books "Fun reading... The book provides a factual history of our faraway 'dwarf,' and on its companion icy worlds, and on the discovery of Kuiper-like bands around other stars." —School Library Journal Award New York Public Library’s annual Children’s Books list: 100 Titles for Reading and Sharing 2013

Donald A. Wollheim's 'The Secret of the Ninth Planet' is a science fiction novel that takes readers on a thrilling journey through space and time. Written in a captivating and imaginative style, Wollheim's work is reminiscent of classic sci-fi adventures, with a modern twist that keeps readers on the edge of their seats. The book explores themes of exploration, discovery, and the endless possibilities of the universe, making it a compelling read for fans of the genre. Set against the backdrop of the unknown mysteries of the cosmos, 'The Secret of the Ninth Planet' is a must-read for anyone who loves a good sci-fi tale.

Presents an introduction to the Solar System and the physical features of the eight planets that revolve around the Sun, in a text that includes learning activities.

Harrow the Ninth, an Amazon pick for Best SFF of 2020 and the New York Times and USA Today bestselling sequel to Gideon the Ninth, turns a galaxy inside out as one necromancer struggles to survive the wreckage of herself aboard the Emperor's haunted space station. The Locked Tomb is a 2023 Hugo Award Finalist for Best Series! “Lesbian necromancers explore a haunted gothic palace in space! Decadent nobles vie to serve the deathless emperor! Skeletons!” —Charles Stross on Gideon the Ninth “Unlike anything I've ever read.” —V.E. Schwab on Gideon the Ninth “Deft, tense and atmospheric, compellingly immersive and wildly original.” —The New York Times on Gideon the Ninth She answered the Emperor's call. She arrived with her arts, her wits, and her only friend. In victory, her world has turned to ash. After rocking the cosmos with her deathly debut, Tamsyn Muir continues the story of the penumbral Ninth House in Harrow the Ninth, a mind-twisting puzzle box of mystery, murder, magic, and mayhem. Nothing is as it seems in the halls of the Emperor, and the fate of the galaxy rests on one woman's shoulders. Harrowhark Nonagesimus, last necromancer of the Ninth House, has been drafted by her Emperor to fight an unwinnable war. Side-by-side with a detested rival, Harrow must perfect her skills and become an angel of undeath — but her health is failing, her sword makes her nauseous, and even her mind is threatening to betray her. Sealed in the gothic gloom of the Emperor's Mithraeum with three unfriendly teachers, hunted by the mad ghost of a murdered planet, Harrow must confront two unwelcome questions: is somebody trying to kill her? And if they succeeded, would the universe be better off? THE LOCKED TOMB SERIES BOOK 1: Gideon the Ninth BOOK 2: Harrow the Ninth BOOK 3: Nona the Ninth BOOK 4: Alecto the Ninth At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.