I don't think that there is a book with more tactics and without hints
Chess Tactics Book with No Hints and Type of Tactic?

"Tactics Time", by Tim Brennan is such a book. It contains 1001 positions in no particular order and with no hints about the tactic involved or the difficulty of the problem. There is also a follow-up called "Tactics Time 2". I have the first one but haven't spent a lot of time with it yet. From what I've seen, the positions feel "real", which makes sense since they are taken from actual amateur games.
Brennan appears to be an amateur player, not even an NM, but the positions in the book speak for themselves. No commentary from the author is needed.
I've seen many tactics books but all of them are divided into chapters based on the tactic (Pin,Fork,etc.) or have a hint. Is there a book with lot of tough tactics without hints and type of tactic?