For $5 (£3.90) you'll get a good PDF starter pack, including the remastered beginner's box, a GM screen, a pack of character sheets, some pre-gens, a couple of player's guides for varying ...

For $15/£11.30, you can get PDFs of the GameMastery Guide, Bestiary, Beginner Box, GM Screen, Advanced Player Guide and Core Rulebook—as well as a bunch of printable mats, character sheets, and ...