At this point, for me, no author has that “no questions asked” cred with me. Pretty much now it’s more about the series than the author. At one point, GRRM, Robert Jordan, RA Salvatore, Brandon Sanderson, Steven King, JK Rowling, etc… had some of that, but we all know how GRRM is now, Jordan’s plot lines just became to convuluted to be comprehensible without continuously going back and rereading books that it became nauseating, Salvatore just became the same old same old Drzzt story, Steven King, esp early on had essentially a lot of the same plot lines with the Legion demon in every book I read, and I’ll probably get some pushback but I really couldn’t get into the JFK story, never finished it. Rowling is probably obvious at this point with Cursed Child, the detective series, and the story of the Dursley wannabe Casual Vacancy book. Sanderson is the closest in that I’ll auto buy the Radiance books, but will decide on the rest.
For me, I Definitely agree with a lot of what’s been posted so far like Percy Jackson series, Stormlight archive, etc…
So to add a couple that haven’t been mentioned:
Artemis Fowl - great writing, great characters, just fun to read from start to finish
Super-powered by Drew Hayes - kind of a random, not well known, but I really liked the story, character arcs. Definitely not a fan of some of his other stuff, but Drew nailed this one.