He felt a curious tingling in his hands and feet. He felt his nose becoming cold and wet, his ears becoming flappy. The thought in his mind was: 'I'm turning into a dog!'

Eric is a perfectly ordinary boy. Perfectly ordinary that is, until the night when, in fifteen seconds flat, he turns into a dog! Eric and his best friend are determined to sniff out the truth - what makes an ordinary boy go 'woof'?

There are 160 pages in this book. This is a picture book. A picture book uses pictures and text to tell the story. The number of words varies from zero ('wordless') to around 1k over 32 pages. Picture books are typically aimed at young readers (age 3-6) but can also be aimed at older children (7+). This book was published 1987 by Penguin Books Ltd .

Allan Ahlberg is the author of nuemrous award-winning and popular children's books, including the HAPPY FAMILIES series and PLEASE MRS BUTLER, a book of school poems. Mark Williams is one of the stars of the BBC's THE FAST SHOW.