Damn I read these books as a kid, do they really get this sci-fi on them? Or is it some Scooby-Doo sort of shenanigans.
The later books in the series get all kinds of weird. Plus the Nancy Drew crossovers and any continuation beyond the original writer.Here's one I haven't worked on yet:
Which brother is on the date..?
Oh. I thought the alien was the third wheel.