What Pet Should I Get? is a Dr. Seuss children's book published on July 28, 2015. Believed to have been written between 1958 and 1962, the book is based on manuscripts that his widow discovered while cleaning up his office shortly after his death in 1991 and then rediscovered in 2013. The book is similar to his other works like One Fish Two Fish Red Fish Blue Fish. The book was found alongside another manuscript, although the title of that book has yet to be disclosed.