Mammoth Academy on Holidayno. 3 (UK)Paperback - UK, 15 May 2008

Stinking, rubbish-infested rivers to swim in, nature walks minus the nature and Giant Sloth cooking dinner. This can only mean one terrible thing for the Academy students on their school trip. Humans are about! Oscar has gone missing, and Professor Snout and the other students embark on a rescue mission.