The Interplanetary Expedition of Mars Patel

Quest for the Hidden City

George Mann

Children of the Phoenix, Vol. 1

Oskar Källner

Zero G

Dan Wells

Ad Astra

Kevin O. McLaughlin

Secrets of the Tau

Cavan Scott

The Unsettling Stars

Alan Dean Foster

George's Cosmic Treasure Hunt

Lucy Hawking

Dreams Bigger Than Heartbreak

Charlie Jane Anders

Robert Heinlein's Citizen of the Galaxy

Robert Lazaro

Pursuit of the Bold

Jamie McFarlane

George's Secret Key To The Universe

Stephen Hawking

George and the Unbreakable Code

Lucy Hawking