One Two Three and Away

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One, Two, Three and Away (ISBN 0003142183) was a series of books for children written by Sheila K. McCullagh, often known as the Roger Red Hat Books,^[1] or The Village with Three Corners. Illustrated mostly by Ferelith Eccles Williams and published by Collins in the 1960s–90s and more recently by The Reading Hut Ltd with new ISBNs. Characters include Roger Red Hat, Billy Blue Hat, twins Johnny and Jennifer Yellow Hat, and Percy Green.

The books were written at a number of levels of increasing difficulty for those learning to read. After the Pre-readers and Introductory book, there are 4 coloured sections, in increasing order of difficulty, blue, red, green, yellow. Accompanying the red, green and yellow levels there are the Main Readers following a loose story arc, 1–3 in pink are aligned with red books, 4–5 with the green, and 6–10 with the yellow.