Peek a Boo Book. Large format board book. Head down to the farm and spot frisky goats bleating in the garden, little lambs baaing in the fields and many other animals and their babies being woken up by the rooster?s crow. This is the third book in a popular series, joining Who?s in the Garden? and Who?s in the Forest? Recommended age: 1 to 4 years. illustrated by Jull McDonald.