Seymour the mouse needs some serious cheering up, and Splat knows exactly what to do. When your very best friend is feeling down, how do you show them just how much they mean to you? Splat decides to make a special thank you book to remind Seymour of all their amazing adventures together. You will flip through Splat's funny memories as he recalls the times Seymour saved the day. From helping Splat find his lost homework to fixing a wobbly wagon wheel, this little mouse is a giant hero in his friend's eyes. It is a wonderfully warm Thanksgiving story that explores the true meaning of gratitude. Dive into their silly, sweet friendship and discover why saying thank you is the best gift of all.