A baby board book that brings peekaboo - the scientifically proven funniest baby game - to life with grab-and-pull mechanisms and a mirror. Babies Laugh at Peekaboo is scientifically developed to start babies' reading journey with lots of love and laughter. Written by Dr. Caspar Addyman, a leading expert in what makes babies laugh, this adorable book brings a game of peekaboo to life with grab-and-pull pages and a shiny mirror. Babies will giggle with glee as they open the pages to reveal smiling, giggling and laughing baby faces, beautifully illustrated by Ania Simeone. The shiny mirror at the back of the book is perfect for tummy time and entertaining babies up to 18 months old. The fun doesn't stop here! Babies can also giggle along with Babies Laugh at Everything.