The spring wasn't a pond at all - it was a doorway to a hidden world underground.
With a glass-bottom viewing tube, Juno and Glimmer finally see beneath Crystal River: hundreds of tiny openings in the limestone, bubbling endlessly, fed by a vast underground aquifer. But the steady currents flow differently in different places - hinting at hidden tunnels beneath the ancient rock, and a mystery still only half-solved. Beneath the Crystal Surface is Book 3 of the Juno & Glimmer series - gentle mysteries that help curious kids discover real science and the stories places keep. Kids will discover: How underground springs feed a riverWhat an aquifer is and how it worksWhy clear water reveals hidden lifeThat looking closer uncovers secretsPerfect for ages 5-8, early readers, read-aloud time, STEM learning, nature lovers, and young explorers.