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Author

Cyril Hayes

3 books found

Cover of Number Mysteries

Number Mysteries

Dympna Hayes, Cyril Hayes, Peggy McEwen · First published 1988

Cover of Number Mysteries

Number Mysteries

Cyril Hayes · First published 1987 · Latest edition 1988

Cover of Robotics

Robotics

Andrew Vowles, Dan MacKie, Cyril Hayes, Nadia Pelowich · First published 1985