"A brightly collaged forest presents itself for young explorers in a question-and-answer format enhanced by die-cut peepholes and repeated onomatopoeia" -- Kirkus Reviews

Venture into the forest and spot foxes creep, creep, creeping, birds cheep, cheep, cheeping and many other animals and their babies living in the forest. Who else is in the forest, dark and deep? Peek through the holes in this peek-a-book book to find out!

• Part of the Peek-a-Boo series including Who's in the Garden? and Who's in the Farmyard?
• Circle cut-outs on each page hint at the animal on the next page to create a fun peek-a-boo read
• Repeating refrains keeps kids engaged throughout the story