Deep, deep down, at the very bottom of the ocean, lies a secret world. Through lyrical narration, this spare-text STEM picture book takes readers on a journey to a place very few humans have ever been: the Mariana Trench. The imagined voyage debunks scary myths about this mysterious place with surprising and beautiful truths about life at Earth's deepest point. Deep, Deep Down shows a vibrant world far below, and teaches readers how interconnected our lives are to every place on the planet.

You've just been sucked back in time millions of years! Grasses sway higher than your head. Huge insects swarm the skies and fearsome dinosaurs rule the landscape. Do you think have what it takes to survive in the Jurassic Period? Turn the pages to find out - only you can choose your fate in this interactive story!

You've suddenly time travelled thousands of years into the past. The world around you looks wild and unfamiliar. The humans you encounter can't understand a word you say. Now they're running at you carrying stone tools! Do you have what it takes to survive in the Stone Age? Turn the pages to find out - only you can choose your fate in this interactive story!

What would happen if you went back in time? Imagine stepping into the Stone Age and meeting some Neanderthals. Would it be a peaceful encounter or a Stone-Age struggle? What if you went back to when dinosaurs roamed? Would you be a tasty snack for a T-Rex or one of the first humans to tame fire? Remember, in a time before recorded history, just about everything could kill you. You Choose Books offer an exciting, immersive non-fiction learning experience where the reader chooses which path to take through the story. Along the way, readers can learn about real time periods in a fun, interactive adventure.