Thank you for commenting on our mini popcorn books. I called them popcorn words some years and in other years I called them rainbow words. I had a large rainbow and put the word cards on the colors, beginning with the first words on purple at the bottom. Eventually the whole rainbow was full, with the hardest words at the top in red. But when we practiced writing them at a reading station, I gave them these little books and said they were popcorn words because they popped up everywhere. They loved it! Have a great school year!