本书为原版进口图书，是少儿英语Key Words With Ladybird(1-12)，a系列。十二期循序渐进、轻松愉快的学习，激发学生学习英语的兴趣，使他们全身心沉浸于美好的英语世界中，从而轻松踏上英语成才之路。本册为9a

，适合于英语基础好,有独立阅读能力的孩子。

With 90 million copies sold worldwide,the Key Words with Ladybird reading scheme is the springboard to reading for life.

100 Key Words made up half of all those we read and write.

This essential vocabulary is carefully introduced , practised and developed throughout the scheme.

Series a introduces new Key Words

Series b practises Key Words

Series c develops Key Words using phonics and writing skills