Triangular Trev meets up with Isosceles Irene, Perpendicular Peri, Equilateral Eric, Horizontal Horatio, Nonagon Norma and Rectangular Reg. All these mathematical characters play musical instruments, form a band and enter their song into a competition. The sing along song is also in the book.
Publisher: Poems and Pictures Ltd
Number of pages: 28
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£6.99 £4.99Board book
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