It was this book: https://upload.wikimedia.org/wikipedia/en/c/ca/Way_things_work.jpg https://upload.wikimedia.org/wikipedia/en/c/ca/Way_things_wo... Had pretty

It was this book: https://upload.wikimedia.org/wikipedia/en/c/ca/Way_things_work.jpg https://upload.wikimedia.org/wikipedia/en/c/ca/Way_things_wo... Had pretty cool drawings of a wooly mammoth around a bunch of inventions