A stellar introduction to the Universe and the invisible forces that hold it together. Blast off to investigate the mysteries of the Universe: from blazing stars to the unreachable depths of space. Discover where the Universe came from, how it works (clue: it has a lot to do with gravity) and what else might be out there... - A new series of large-format flap books to learn about technical subjects - Over 80 flaps per title - This series is perfect for elementary to middle school-aged kids - Complicated subjects made simple thanks to clear explanations, vibrant illustrations and interactive flaps - STEAM subjects, now expanding to financial literacy - Great for home-learning, libraries and schools - Flaps are a great way to convey information: kids will pore over the books for longer, retaining more of the information - Great for dioramas and science fair preparation