SOLVED. Lovecraftian fantasy where children from around the world experience unresistable compulsion to travel to a common place and begin shapeshifting. [s]

[Aleks]

results in a 'lord of the flies' kind of scenario with a mini society forming. chidren begin to mutate into subterranean creatures and (possibly) some other kind of creature to serve a deity (?)

[Lobstergirl, au gratin]

When did you read it or when was it published?
Cover?

[Sue]

The Silver Child trilogy by Cliff McNish. https://www.cliffmcnish.com/silver-se...

[Kris]

Aleks, I notice your request is marked Solved. Just to confirm, is your book The Silver Child by Cliff McNish - Sue's suggestion?

[Aleks]

Yes, thats the book I was looking for.

[Kris]

Glad you found your book, Aleks. Thanks for the update.