Big Cat for Little Wandle Fluency is a range of chapter books with increasing word counts across 15 fluency levels aimed at children in Years 2 and 3.Big Cat for Little Wandle Fluency Sets are the ideal way to buy – all sets include a built-in 20% discount.The Big Cat for Little Wandle Fluency level 11-15 set contains 1 copy of every book at fluency level 11 to fluency level 15.