Luann Colombo, M. Ed., is an award-winning science author and educator with thirty-seven published books and CD-ROMs. Luann also organizes school science programs and writes curriculum for TV shows such as Bill Nye the Science Guy and NOVA. Graphic artist, painter, illustrator, and designer Ryan Hobson has created work for Disney, Silver Dolphin, Chronicle Books, Scholastic, SmartLab, and Lucasfilm. Known for his versatility and and imaginative style, some of his notable work includes Mission: Mars, Jedi Path, Explore Within A Mummy, Inside A T. Rex, and many others. He was born and raised in Anchorage, Alaska, and worked in the oil fields in his younger years. He now resides in Seattle.