Chess tempo vs Puzzles Books? : r/chess

Gollum's Chess Reviews: Improving your tactics

Know Your Chess Pieces' Value to Triumph

ChessTempo

Zlotnik's Treasure Trove: Enjoyable Chess Training for Amateurs (1600-2200 Elo) - British Chess News

Chess tempo - Train chess tact - Apps on Google Play

On Chess: Are chess books dying?

A compilation of rules to follow in tactics

100 “Tactical Pin” Chess Puzzles for Intermediate Players (Rating 1200-1500): 100 real-life chess tactics puzzles to make you a better player (Chess Puzzles, - Tactical Pin Book 2) (English Edition)

Chess Tempo: Chess tactics on the App Store

The Chess Endgame Exercise Book - British Chess News

The Best Puzzle Books : r/chess

Chess tempo - Train chess tact - Apps on Google Play