Children need several different means of identifying letters. As well as learning to read and write all letter forms, it's essential they discover letter names and sounds. The Red Rocket Alphabet Explorers boxed set features 30 8-page books--individual titles for each letter of the alphabet, plus one each focusing on the key digraphs Ch, Ph, Sh, and Th. Red Rocket Alphabet Explorers will help children become familiar with all the letters of the alphabet in the following ways: by alphabet names as upper and lower case symbols by word and picture associations by sound associations by sharing rhymes (inside back cover) through practice of letter formation.