4th Bestselling Children’s Book Series of all Time -The New Yorker A warlock casts a spell of eternal winter over Flanders and you must find a silver unicorn to break the curse. In The Warlock and the Unicorn (the sequel to The Magic of the Unicorn) an angry warlock has doomed the people of Flanders to an eternal winter. The only way he will reverse the unending snow and cold is via the gift of a silver unicorn. The problem? No one has ever seen one. Do they even exist? You must decide: do you leave your village to battle the warlock on your own or do you go in search of a silver unicorn? Choose Your Own Adventure is the bestselling gamebook series of all time. Empowering generations of children through choice, it is widely commended for its appeal to reluctant readers.