Rex is the New York Times best-selling author and illustrator of “Frankenstein Makes a Sandwich.” His other books include “Fat Vampire,”“Smek for President!” and his latest, “Chloe and the Lion.” He also illustrated the Brixton Brothers series, “Billy Twitters and his Blue Whale Problem” by Mac Barnett and “Chu’s Day” by Neil Gaiman. He lives in Tucson, Arizona.