This lot of 2 books includes the following: 1. Hardcover Book- Dr. Seuss's Happy Birthday Baby! Dr. Seuss Nursery This adorable book is interactive! Woith Seussian stuff to touch, spin, and sniff! Based on and inspired by Dr. Seuss's Happy Birthday to You! Pre-owned. In good condition. (See pics.) Bundle and save! 2. Hardcover Book - Full Color - Captain Underpants & the Sensational Saga of Sir Sinks-A-Lot. The twelfth epic novel by Dav Pilkey Caldecott Honor Artist See back cover for synopsis. Pre-owned. In great condition. (See pics.) Bundle and save!