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When a hippo follows Robert home one day, he is delighted. Understandably his parents are not. Then more and more hippos begin to crowd into the garden and they are obliged to seek the help of a witch. Her solution is to give Robert an anti-hippo pill, which has some surprising results.
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Book Description Puffin Books. Condition: new. Seller Inventory # think080370903X
Book Description Condition: New. New. Seller Inventory # M-080370903X
Book Description Puffin Books, 1983. Paperback. Condition: New. Brand New!. Seller Inventory # VIB080370903X