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.

Yin Nova is excited to go on a class trip to the third International Space Station Museum. Her class will see the newest exhibit - the first alien plant ever discovered. But when they arrive, something is very, very wrong. The station is on lockdown. Eerie growls echo through the corridors. There's no sign of the crew. When Yin decides to investigate, can she and her friends survive long enough to discover what's on the loose?