Bob Books Set 1: Beginning Readers teach a child letter sounds with Bob Books Set 1! With four letters in the first story children can read a whole book- Consistent new sounds are added gradually until young readers have read books with all letters of the alphabet (except Q)- Short vowels and three-letter words in simple sentences make Bob Books Set 1 a fun confidence builder., Bob books make reading easy and fun, Includes 12 books that will keep your young reader engaged, Short vowels and three-letter words in simple sentences.