The cosmic adventures of Astrid and Stella

"Astrid and Stella are best friends and intergalactic heroes...After drifting into a dangerous force field powered by misunderstanding, it will take total teamwork to get back on track! Once they've recovered from that detour, a run-in with a fur-miliar villain and the rescue of an intergalactic pop star are enough to keep things interesting for Astrid, Stella, and their trusty robot sidekick, Bobo. They just need to remember what's most important. When they do, Astrid and Stella just might surprise themselves by learning a few new things along the way, too"--Back cover.