Hedgehogs Trundle Boldoak and Princess Esmerelda and squirrel Jack Nimble continue their quest in *Sargasso Skies*, the fifth book in the series. To find the Crown of Wood, they’ll have to navigate a treacherous skyreef. And they’ll have to elude Captain Grizzlewald, a hog who leads a band of bloodthirsty pirates and is desperate to find the crowns of the Badger Lords himself. (Series also knows as "The Six Crowns.")