Stig Wemyss

Andy and Terry live in a treehouse. But it's not just any old treehouse, it's the most amazing treehouse in the world! This treehouse has thirteen stories, a bowling alley, a see-through swimming pool, a secret underground laboratory, and a marshmallow machine that follows them around and automatically shoots marshmallows into their mouths whenever they are hungry. Life would be perfect for Andy and Terry if it wasn't for the fact that they have to...

Andy and Terry live in a 26-storey treehouse. It has a bumper car rink, a skate ramp, an antigravity chamber, an ice cream parlor with 78 flavors, and the Maze of Doom. This time, the two friends have a whole week to finish their next book, and Andy even knows what it should be about; the story of how he and Terry first met. But, life is never boring in the treehouse, and emergency shark operations, giant storms, and wooden pirate heads are just the...

Andy 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???

Andy and Terry live in a 143-story treehouse. (It used to be a 130-story treehouse, but they built another thirteen stories.) It has a baked bean geyser that erupts on the hour every hour, a wrecking ball, a fish milkshake shack, a word-o-matic (it knows every word in the whole world!), a toffee apple orchard guarded by a kind-hearted scarecrow, and a camping ground. Andy's been a bit stressed out lately, so Terry decides the perfect way to relax...