David Baldacci's books are indeed organized by series, and keeping track of them can be a bit of a puzzle at first glance. I got into his work through 'Absolute Power', and from there, I spiraled into his Amos Decker and Camel Club series. Each series follows its own timeline, but the standalone novels are sprinkled in between. For instance, the 'Memory Man' series kicks off with, well, 'Memory Man', and the sequels follow Decker's journey. The Camel Club starts with its self-titled book, and the order matters there because the characters evolve significantly. Baldacci’s website or fan-maintained lists are lifesavers for this—I’ve bookmarked a few to avoid mix-ups.
One thing I love about his series is how they balance standalone arcs with overarching threads. The 'Atlee Pine' series, for example, builds her backstory gradually, so skipping ahead would spoil the fun. If you’re new to his work, I’d recommend picking a series and sticking to it before jumping around. The thrillers hit harder when you’re invested in the characters’ long-game development.