re: Need help remembering a book series and I know the TD sleuths can come through.

I will also add that the book cover you found looks horrible compared to the ones I read. I’m too old and technology challenged to post pics but I googled the series to read a synopsis to see if it was then book I was trying to remember. It was but on google it showed a different cover art which was the one I remembered. Glad I didn’t see this version as a kid or I likely would have never read them.