There are 3 booklets included in this product that use the same book cover. You can differentiate for your kiddos easily. The students can use the booklets by writing in letters or cutting them out and pasting them in the box. They can match the same letters, match lowercase letters to uppercase letters match uppercase letters to lowercase letters or matching beginning sound pictures to letters (2 options for x). The letters are in hearts which can be used any time of year or they could be used around Valentine's Day. There are 2 booklets to a page making it easy to run through the copy machine and staple.