4th Bestselling Children's Book Series of all Time ―The New Yorker You're on a quest through medieval Scotland in search for your missing pegacorn when you stumble on secret plans for a war using the King's unicorn army. The Flight of the Unicorn (sequel to The Rescue of the Unicorn ) takes you on a fantastic adventure through medieval Scotland to find your missing pegacorn mentor, Dame Scotia. You believe she was kidnapped to use her magic to create a pegacorn army. Will you and your newly trained pegaorn, Liss, locate Dame Scotia in time to prevent a possible war? 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.