The product is a set of 16 books titled "First Little Readers: Guided Reading Levels K and L" by author Liza Charlesworth. Published by Scholastic, Incorporated, these books are designed for children ages 5-9 and are geared towards early childhood education. The books are part of the "First Little Readers" series and are written in English with a mixed lot format. Each book is aimed at teaching reading and phonics skills in a developmentally appropriate manner, making them ideal for guided reading instruction. This single-copy set is a valuable resource for parents and educators looking to enhance literacy skills in young readers.