The Ladybird Key Words Reading Scheme: The Key to reading SUCCESS By Ladybird Books Ltd

The Ladybird Key Words Reading Scheme. The back cover states that the complete scheme consists of 36 titles (a, b and c readers) plus 2 picture dictionaries and 6 workbooks, and explains the progression through book 1a, 1b, 1c etc. It is part of the Ladybird Key Words Reading Scheme designed to help children progress in reading.