Across , with , encourages children to and with new words, in a totally , and , way. Guided by Walt and Winnie through - a sure way to build up a huge memory bank of . The two main characters, Walt and Winnie, discover a collection of old books in Granny's attic. They decide to modernise them, producing a new set of books called .The book contains 500 important English words for children to learn. It is divided into 10 sections of 50 words, each section with a different fun theme with fifty fully illustrated pages. The book is designed to help teachers and parents with vocabulary teaching. Students can use them individually, in pairs or as a class. It targets both native English speakers and children learning English as a foreign language.