The Celestial Globe by Marie Rutkoski 296 pages

Book II in The Kronos Chronicles is a swashbuckling follow-up to the high-spirited The Cabinet of Wonders. Petra had foiled the Prince of Bohemia's evil plans. The prince refuses to give up and sends his horrific Gray Men to Petra's home. The English spy, John Dee comes to her rescue and takes her to England. Her friends Tomik and Neel continue to search for her abroad. Petra makes a bet with Dee that she can solve a murder investigation before he can. This is an intriguing book with original characters and lots of adventure. Both mystery and fantasy, the ending is a real cliffhanger.