A list of helpful books for writers:
The Writer's Digest Handbook of Short Story Writing and Handbook of Short Story Writing volume II.
Volume II has the answer to a lot of questions asked by beginners:
Point of view
Writing Powerful Dialogue
Adding Tension Directly into the Spoken Words
Thoughts/using Flashback
Writing Dialogue by Tom Chiarella - How to create memorable voices and fictional conversations that crackle with wit, tension and nuance.
Creating Character Emotions by Ann Hood - Writing fresh approaches that express your characters' true feelings