The Night Climbers of Cambridge is a book written under the pseudonym "Whipplesnaith" about nocturnal climbing on the colleges and town buildings of Cambridge, England, in the 1930s.
"Whipplesnaith" is a pseudonym for Noël Howard Symington. The book was originally published in October 1937 by Chatto and Windus, revised in November 1937 and reprinted in 1952 and 1953. The second edition contains a reordered selection of photographs and a missing diagram explaining the escape from the roof of the Marks and Spencer.
The book was highly sought after, especially in Cambridge itself where it was regarded as one of few "guidebooks" to the routes onto the roofs of the town's ancient buildings. Famous climbs documented in the book are the King's College and St John's College chapels and the "Senate House leap".