Here's a complete guide for screen printing beginners looking to learn how to prepare their screen before their first print.
Center for Book Arts Archive : Books : Artists manual for silk screen print making : the complete guide for the artists, printer, student, and amateur / Harry Shokler [REF.PM.1765]
A Guide to Screen Printing Color Separations
GOCCOPRO 100 Digital Screen Printing Guide
MESH PREPARATION & DEGREASING SCREEN PRINTING GUIDE
Getting Started In Screenprinting Using Paper Stencils - Jackson's Art Blog
Lesson 2: Screen Preparation - Graphic Design: Screen Printing Lesson
A beginner's guide to screen printing, by a complete beginner., by James Barnard
Buyer's Guide to Screen Printing with Vinyl
Screen Printing Screen printing, Digital art design, Custom ink