This isn t going to stop us We re definitely going to find Wills Where is he Where have they taken him No one knows where Wills has gone and his best friends the twins Harry and Camilla are very worried. Last time they saw him Wills was with the Black Hand Gang - and he looked extremely unhappy Luckily Wills has left the twins lots of clues to follow - maybe they ll find him soon. You can solve the mystery you can find Wills. You ll discover his fantastic inventions too Vocabulary areas Friends and enemies family and community members places problem solving describing places Grammar and structures Present simple Present continuous Past simple Question words Adjectives Verb collocation