David Zeltser is the author of the Lug series, Ninja Baby, Stinker, and The Universe Ate My Homework . He studied physics at Harvard and was fortunate to co-author a paper with the world renowned physicist Howard Georgi. Now David writes children's books, graphic novels, and screenplays and lives with his family and many barking sea lions in Santa Cruz, California. Followhim on Twitter (@davidzeltser) and at www.davidzeltser.com. Julia Patton is an award-winning author and illustrator who works from a rustic woodshed in the wilds of rural Northumberland, UK. Her work includes The Very Very Very Long Dog and Snail Mail .