https://celebratepicturebooks.com/2026/09/07/september-7-buy-a-book-day-3/en2026-09-07T05:00:00+00:00September 7 – Buy a Book Daypicture book review, Picture Books, Humorous Picture Books, Barney Saltzberg, Picture Books about Friendship, Picture Books about Mice, Picture Books about Courage, Picture Books about Storytelling, Hippo Park, Humorous Scary Picture Books, A Not-So-Scary Story Book Review