# Knock, Knock! Who's There? (Sesame Street): A Lift-The-Flap Board Book - Board Book

by **Anna Ross** (Author), **Joe Mathieu** (Illustrator)

**A silly and sturdy Sesame Street lift-the-flap book that reveals hilarious surprises**

Guess who's there, hiding behind doors and curtains and in boxes, hats, the cookie jar, and other places in this very funny Sesame Street lift-the-flap board book starring Elmo and his friends. Girls and boys ages 1 to 4 will giggle with delight when they lift the flaps of this sturdy interactive board book to discover who's hiding. From Super Grover and Abby Cadabby to Elmo and Bert, it's not always who they'd expect to find in some surprising hiding places

Sesame Workshop, the nonprofit educational organization behind _Sesame Street,_ aims to help kids grow smarter, stronger, and kinder through its many unique domestic and international initiatives. These projects cover a wide array of topics, which address specific needs, such as girls' education, financial empowerment, and autism. In 2019, _Sesame Street_ will celebrate its 50th year of distributing quality educational content to families around the world. _Sesame Street_ is the most trusted name in early learning.

### Author Biography

Anna Ross is the combined name of two old friends who worked in children's publishing for many years as editors, writers, and editorial directors. Together, they wrote dozens of Sesame Street books, and between them they've racked up well over half a century of publishing experience! They now live on opposite ends of the country, and they are both still writing--and still friends!

**Number of Pages:** 22

**Dimensions:** 0.6 x 5.9 x 5.9 IN

**Illustrated:** Yes

**Publication Date:** July 10, 2018

## Details

- **Price:** 7.99 USD
- **Vendor:** Books by splitShops
- **Type:** Books
- **Tags:** Books by splitShops, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 7.99 USD | In stock |

## Images

- Knock, Knock! Who's There? (Sesame Street): A Lift-The-Flap Board Book - Board Book

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> Updated: 2026-07-24