Private investigators Fran and Ken Stein specialize in helping adoptees find their birth parents. So when a client asks them for help finding a rare ukulele, it's unusual, but nothing they can't handle. The trouble is, it soon seems someone knows something they shouldn't: that the supernatural siblings weren't so much born, as built . . .

A special 42nd anniversary edition of Douglas Adams' mega-selling cult classic: now in one handy paperback volume!