The powerful psychic being Mnemonoid has stolen FIVE YEARS of Finn's memories! Now a teenager with a cool arm (who is . . . mutually kissing . . . someones?!), Finn and his friends set out to stop Mnemonoid from totally taking another bite of Finn's brain!
Also featuring the backup story “Mystery Plop (Part One)”!
Click on any of the links above to see more books like this one.