Very cool "Humble Bundle":
EC Archives (Not the full set - but the *important* ones: Tales From the Crypt, Vault of Horror, and Haunt of Fear. .PDF format.
$18 (USD)... (compare to a-zon $13+ each - and I'm not sure if proprietory (sp?) format or not)...
https://www.humblebundle.com/books/ec-archives-tales-from-crypt-dark-horse-ec-comics-books?hmb_source=&hmb_medium=product_tile&hmb_campaign=mosaic_section_1_layout_index_1_layout_type_threes_tile_index_2_c_ecarchivestalesfromcryptdarkhorseeccomics_bookbundle