The following are a few of my favorite 
books on the craft of writing:

On Writing by Stephen King


Writing Articles from the Heart by Marjorie Holmes


Stein on Writing by Sol Stein


Plot & Structure by James Scott Bell


Revision & Self-Editing by James Scott Bell


Bird by Bird: Some Instructions on Writing and Life by Anne Lamott


Self Editing for Fiction Writers by Renni Browne and Dave King


How I Write by Janet Evanovich


The 38 Most Common Fiction Writing Mistakes by Jack Bickman


Magazine Writing that Sells by Don McKinney


A Novel Idea by ChiLibris