YES! A book you can TALK to! It runs in all browsers, on desktops, laptops, tablets and cell phones. It does not require special software. Online Discovery PLANETS combines storytelling with: A PLANET FINDER app 4K video streaming Electra, an AI-based expert She answers questions, makes up riddles and jokes. She can even write poetry! 3D model manipulations Animations Hands-on activities Interactive explorations A large collection of gravity simulators — from colliding galaxies to merging black holes With the PLANET FINDER: You can point your cell phone or tablet at the sky in any direction and the app will identify the stars, planets and constellations in that region. Take a Grand Tour through the Solar System — appropriate for planetary explorers of all ages.