Phonic Books Dark WatersTruly decodable books for older readers who need support with their reading Lex's Grandad has been working on a secret invention, but disaster strikes when he encounters some people intent on stealing it. Luckily, Lex has some new friends and a cunning plan that he hopes will save the day. Book 1 Suffixes ( s, es, ed, ing) Book 2 Suffixes ( ful, less, ness, er, est, ly, en, ish, y, able, ible) Book 3 Prefixes (un , in , im , ir , il , dis , mis ) Book