Edward Hallowell & John Ratey — one of the first books I read after my diagnosis.
I picked this up in the first few weeks after my diagnosis, when I was still working out whether "ADHD" actually meant what I thought it meant or whether I was borrowing a label that didn't quite fit. It's the updated version of Driven to Distraction, and I think that update matters more than it sounds like it would, given how much has changed since the original came out, particularly around technology and how it interacts with an ADHD brain.
What stuck with me most is that both authors have ADHD themselves, so none of it reads like it's written about people with ADHD rather than for them. Hallowell's line about the ADHD brain being like a Ferrari engine with bicycle brakes is one of those phrases I've used probably a dozen times since, mostly because it's the fastest way I've found to explain the gap between capability and control to someone who's never felt it.
I wonder if the bit that helped me most was the six subtypes framing, whether or not you take it as clinically precise. It gave me a way to stop measuring myself against a single ADHD stereotype and start asking what my version of it actually looks like, which felt like a more useful question than "do I have this or not".
It's not a book that pretends the difficult parts away, which I appreciated. There's real space given to the shame, the relationship strain, the years of being told to try harder, alongside the strengths-based stuff. Feels like that balance is harder to get right than it looks, and a lot of the more recent pop-ADHD content leans too hard one way or the other.
Would I hand it to someone newly diagnosed? Yes, probably before anything else on the shelf. It's the one that made the label feel like useful information rather than a verdict.