Treehouse Books #04 - The 52-Storey Treehouse Flashcards they post an embarrassing photo

they post an embarrassing photo of him on a social networking website

struggling for breath

Percy and his demigod friends must set out on a quest through the Labyrinth-a sprawling underground world with stunning surprises at every turn

and white-hot debris

Treehouse Books #04 - The 52-Storey Treehouse Flashcards they post an embarrassing photoAndy and Terry's incredible, ever expanding treehouse has thirteen new storeys, including a watermelon smashing level, a wave machine, a life size snakes and ladders game (with real ladders and real snakes!), a rocket powered carrot launcher, a Ninja Snail Training Academy and a high tech detective agency with all the latest high tech detective technology. Which is lucky, because they have a BIG mystery to solve Where is Mr Big Nose???