Sally's dad has built her a new treehouse, but Max the dog can't climb up and join in all the fun - he needs a new doghouse!Come along as five friends go on a quest to find out all they can about buildings and how they are constructed.

By checking out structures, both big and small, Sally and her four friends (and Max and Ollie the cat!) learn about how buildings are made, what makes them strong and how they stay standing.

After a fun day of exploring they are ready to build Max the best doghouse around!This fun book introduces readers aged 7+ to the basic science and engineering that goes into buildings.

Let the award-winning illustrator, Scot Ritchie take you on a skyscraper of an adventure.