I Really, Really Need a Poo by Karl Newson and Duncan Beedie
Poo Poo Bum Bum Wee Wee - Scholastic Shop
Potty Training & Toilet Training Book - Mrs Wee & Mr Poo 9781999710002 | eBay
We Poop on the Potty! (Mom's Choice Awards Gold Award Recipient) (Early Learning) : Little Grasshopper Books, Harbison, Jim, Sulgit, Nicole, Publications International Ltd, Claude, Jean: Amazon.co.uk: Books
Poo-Poo Pee-Pee Doo-Doo Wee-Wee: Dear God, It's Potty Training Time – Chuck Wendig: Terribleminds