When Uncle Jack and the children find some homesick baby meerkats, sad and lonely in a cage, they decide to take them home to the Kalahari Desert. Getting there is easy in Uncle Jacks balloon. But the desert is a dangerous place. Can they keep them safe?Vocabulary areas Animals, nature, feelings, townGrammar and structures Past simple regular and irregular forms Verb  infinitive Verb  -ing Could Must for obligation Shall for obligation Adverbs never, sadly, a lot Comparatives  superlatives better, best