Cunliffe, Tom Celestial navigation/ Tom Cunliffe. - Hove, East Sussex : Fernhurst Books 2010 - 65p.:ill.( some pic&col.) 24cm. ISBN: 9780470666333 LC Class. No.: VK555 .C86 2010 Dewey Class. No.: VK555 .C86 2010 National Library of Medicine Call No.: VK555 .C86 2010