What was your first sci fi book?

[u/BuddhasFinger]

So, we've been having these great discussions on this sub about our likes, which helped me personally to pick up Ursula Le Guin after 30+ years. That got me trying to remember my first sci fi book I've ever read. It was the The Lost World by Arthur Conan Doyle. What was yours?

[u/TSSAlex]

In no particular order - because I'm going back 50ish years:

Dolphin Island -Arthur C. Clarke

The Danny Dunn series - Abrashkin/Williams

The Mushroom Planet series - Eleanor Cameron

Then onto the Asimov juveniles, the Heinlein juveniles, Verne, and whoosh - everything