One Dad, Two Dads, Brown Dad, Blue Dads is a children's book written by Johnny Valentine and Melody Sarecky. The intended audience is elementary school children, and it discusses all kinds of different fathers, including having two dads.

One Fish, Two Fish, Red Fish, Blue Fish is a 1960 children's book by Dr. Seuss. As of 2001, over six million copies of the book had been sold, placing it 13th on a list of "All-Time Bestselling Children's Books" from Publishers Weekly. Based on a 2007 online poll, the United States' National Education Association labor union listed the book as one of its "Teachers' Top 100 Books for Children".