Knox in box. Fox in socks. Knox on fox in socks in box. This latest addition to the Dr. Seuss Nursery Collection will tickle tongues and fingers. Selected tongue twisters from Dr. Seuss's classic Fox in Socks with touch and feel tabs let children touch the fluffy chick, the scratchy brick, the sticky blue goo, and more in this sturdy board book! Playful rhymes and interactive elements make this a perfect book for children and adults to share.