Grammar Zoo Book, A - LlamaphonesAuthor: Janik Coat Age: 2 4 Llamaphones, Janik Coats much anticipated follow up to Hippopposites and Rhymoceros, features witty words that sound the same but are spelled differentlyand have different meanings. Like the other books in the series, this one features surprising novelties, including a touch and feel element, making homophones an easy and fun concept to learn.