"Based on Walt Disney's Pirates of the Caribbean ; based on characters created by Ted Elliott & Terry Rossio and Stuart Beattie and Jay Wolpert ; Written by Jeff Nathanson." -- T.p.

"Based on the upcoming Walt Disney Studios' film, Pirates of the Caribbean: Dead Men Tell No Tales, this middle grade novel features the untold backstory of the breakout heroine, Carina Smyth. Follow Carina's adventures, as well as her passion for astronomy, as she uncovers one of the biggest mysteries of the Caribbean" -- Provided by the Publisher.