The product is a lot of four pop-up books titled "Brendon Bear & Friends" published by Creative Publishing in 2002. The books are in hardcover format and written in English. The specific book titles are unknown, but they all feature pop-up elements.
Randall’s New Bike
Brendon’s Birthday Party
The Little Red Wagon
The Great New Adventure
All in excellent condition on rips or tears
Smoke and pet free home