Finally back in print after a 25-year wait! Save the world–and the whales!–in this iconic interactive book where YOU decide what happens next. Packed with 27 possible endings! Choose Your Own Adventure books–the 4th bestselling children’s series of all time–are back and as much fun as you remember. Kids and adults agree, these are the books that get 9- to 12-year-olds reading.The Cold War is at its worst, and YOU are an American spy trying not to blow your cover! Marine biologist Claude Dumont has discovered a brand new kind of whale song with the potential to unlock deep-sea secrets, but before he could share his findings, he was kidnapped by KGB agents! Will you be able to track down Dumont and discover the truth of what’s happening with the humpback whales? Or will you stumble into a sticky situation when the KGB catches up with you?

Language: English
Page Count: 144
Size (in inches): 4.19 x 6.88
Size (in cm): 10.64 x 17.46
Genre: Juvenile Fiction - Spies & Spying
Creator(s): (W) Edward Packard
On-Sale Date: January 13, 2026