From Andrew Caldecott, the bestselling author of ROTHERWEIRD, comes the jaw-dropping conclusion of the MOMENTICON duology - an epic adventure like no other!

''Remember Simul'' - the last words of a dying man, and the key to mankind's survival.

Words which take Morag, Fogg and their friends on a wild ride through caverns and over mountains, into old paintings, to a university unlike any other and up the lethal Tower of No Return. A ride where mythical beasts, legendary monster-hunters and a corrupt establishment lie in wait . . . while the weather-watchers look on and bide their time.

It''s a race against extinction too . . . for nature herself is bent on vengeance.

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''Unpredictable, dramatic and always utterly enthralling'' - Reader review

''Intelligent and also fun'' - Reader review

''Caldecott once again delivers in spades'' - Reader review

''Special and dangerous properties . . . opens a series of trap-doors in the readers'' imagination'' - Hilary Mantel, Booker prize winning author, on Rotherweird