A series of twenty non-fiction science readers which engages children in the world around them. Why do we need forests? Is plastic harmful? Where are gold ...

Six full practice tests plus easy-to-follow expert guidance and exam tips designed to guarantee exam success. The 'with answers' edition can be used to ...

This book presents and practises over 1000 of the most useful and frequent idioms in typical contexts. This reference and practice book looks at the ...

Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This edition has been developed with insights ...