You decide to check the small alcove to see if there might be anything even vaguely useful.

You see a large snowglobe, coated in a layer of dust, next to three hefty tomes:
‘Underwater Basket-Weaving: a Foal’s Guide’; ‘300 More Advanced Sudoku Puzzles’; and ‘Supernaturals: Natural Remedies and Cure-Alls that are Simply Super’.

There appears to be something hidden behind the tomes!