You've met the a-z Letterland characters in the best selling Letterland ABC book. Now let's see what happens when letters come together to make new sounds in words. The Letterland system teaches all 44 English speech sounds and their main spellings through engaging stories, rather than boring rules. These stories really come into their own for explaining sounds that are spelt with two letters (digraphs) instead of one. This book contains 22 of them! They will hep our child to confidently tackle and enjoy many hundreds of words.