"Story-time with grandpa changes forever when Riles, Sissie, & Finn work together to save space spy Drift Elwick and stop Captain Ketos from destroying earth." -- page [4] of cover.
"Prince Winthrop's stuck in Vilgor's mountain, while scoundrels prepare to overthrow the King. Only the story keepers can save the Kingdom, and when Riles gets trapped inside, it's up to Sissie & Finn to save him, too." -- p. [4] of cover.