HEY. I think that works. I was regarding this as < equals less than which, here, equals more recent, but maybe it's more of a linear time scale?
This seems good though. When I put in date:>10days, I found only a few books in the results all of which were recently added.
What a simple fix. It confuses me because I was sometimes getting weird search results before when I was fiddling with >,<,=,etc before but I think's related to something else. (I also made a new column a few days ago and it sort of refreshed my whole library which may be affecting things and relative dates).
Thanks for the quick and embarrassingly easy solve! I appreciate your help!