There are many good books and DVD's on flycasting available, and we have the majority of them here.
One however, sticks out from thr rest, and thats the DVD by George V. Roberts, Saltwater Flycasting: 10 steps.
Having gone through all these books and watched all the DVD's, this one is definately the best.

General

Casting with Lefty Kreh ** Author: Lefty Kreh *Back in stock!* Casting should be nearly effortless. If you understand fly-casting mechanics and how to adapt them to various fishing conditions, your casting will greatly improve. That has been Lefty's philosophy since he began teaching ...more Price: R599.00 (incl.) per ea In Stock! Free Postage in ZA DVD, Saltwater Fly Casting - 10 Steps Author / Director: George V. Roberts Jr. The first part of this video makes full use of slow-motion, stop-action, & graphics to present you with a clear analysis of the essentials of distance fly-casting. The second part of the program contains 10 comprehensive lessons you can use to teach ...more Price: R299.00 (incl.) per ea In Stock! Free Postage in ZA Learn to Fly-cast in a Weekend Author: Tim Rolston In Learn to Fly-cast in a Weekend, experienced angler and fly-casting instructor Tim Rolston presents a comprehensive teaching plan for perfecting one of most important elements of fly-fishing: the cast. With his franks style and detailed instructions, ...more Price: R135.00 (incl.) per ea In Stock! Free Postage in ZA Longer Fly Casting (Kreh) Author: Lefty Kreh Lefty Kreh's Longer Fly Casting, New and Revised: The Compact, Practical Handbook That Will Add Ten Feet - Or More - To Your Cast All fly fishermen want to have the ability to reach out an extra five or ten feet with their line. The trout, ...more Price: R169.01 (incl.) per ea In Stock! Free Postage in ZA Single Handed Spey Casting ** Author: Simon Gawesworth SOLUTIONS TO CASTS, OBSTRUCTIONS, TIGHT SPOTS, AND OTHER CASTING CHALLENGES OF REAL-LIFE FISHING Expert spey caster Simon Gawesworth shares casts adapted from two-handed spey casting that enable you to fish the challenging spots most anglers ...more Price: R399.00 (incl.) per ea In Stock! Free Postage in ZA DVD, Distance and Delicacy # Author / Director: Henrik Mortensen Deals with the actual fishing techniques. The set is the beautiful and wild Rio Grande in Southern Argentina. Henrik deals with subjects like fishing strategy, watercraft and techniques, all spiced up with breathtaking action-packed footage of takes, ...more Price: R299.00 (incl.) per ea In Stock! Free Postage in ZA DVD, Essence of Fly Casting Vol I Author / Director: Mel Krieger ESSENCE OF FLY CASTING VOLUME I: DVD WITH BONUS SELECTIONSMel has taught thousands of students (beginner and advanced) to cast better. In the new DVD first volume you'll learn all the basics fundamentals and casts. You also get an introduction to ...more Price: R299.00 (incl.) per ea In Stock! Free Postage in ZA DVD, Essence of Flycasting Vol II Author / Director: Mel Krieger ESSENCE OF FLY CASTING VOLUME II & THE ESSENCE OF SPEY CASTING DVD This new DVD edition includes two programs for the price of one. ESSENCE #2: An instructional video for intermediate and advanced flycasters, featuring distance casting, fly rod ...more Price: R299.00 (incl.) per ea Not in stock at present (see key) DVD, Lefty Kreh on Fly casting Author / Director: Lefty Krey Price: R299.00 (incl.) per ea Not in stock at present (see key) DVD, First Cast to Double Haul Author / Director: Barry & Cathy Beck Easily takes you through the fundamentals of fly casting; including shooting line, line management, casting mistakes, roll casts, handling long casts, double haul & much more. Everything you need to learn or improve your fly casting. 60 min. Price: R249.00 (incl.) per ea In Stock! Free Postage in ZA Spey Casting - 2nd Edition ** Author: Simon Gawesworth Casting with a two-handed rod in the style that dates back to mid-1800s Scotland is no easy challenge. It's now popular for all types of fishing, especially when obstructions block the backcast and for all kinds of fish--trout, striped bass, salmon, and ...more Price: R499.00 (incl.) per ea In Stock! Free Postage in ZA DVD, Advanced Spey ** Author / Director: John & Amy Hazel Casting, Configuring and Cutting Shooting Head and Skagit Belly Lines Casting Shooting Head and Skagit Belly Lines requires different skills and techniques than with conventional lines. You will discover in this information-packed video what ...more Price: R439.00 (incl.) per ea In Stock! Free Postage in ZA DVD, Spey to Z Author / Director: Topher Browne, Greg Pearson, & Way Yin SPEY TO Z: UNDERSTANDING TRADITIONAL, SCANDINAVIAN, & SKAGIT STYLE SPEY CASTING WITH A SINGLE & DOUBLE-HANDED ROD Spey casting is the fastest growing segment in fly-fishing, & for good reason. Originally the province of long, two-handed rods on ...more Price: R399.00 (incl.) per ea In Stock! Free Postage in ZA Nature of Fly Casting** Author: Jason James Borger ...Approach From Jason Borger, the 'Shadow Caster' in the film, A River Runs Through It, comes this perception-changing look at the learning and teaching of fly casting. Using the symbolic language introduced by Jason's intuitive Modular ...more Price: R399.00 (incl.) per ea Not in stock at present (see key) DVD, Joan Wulff's Dynamics Of FlyCasting Author / Director: Joan Wulff A totally dynamic DVD adaption! Joan shows and explains the mechanics and techniques she has been developing and refining for more than 60 years. You will learn the important elements of great casting, vital hand and arm movements, practice routines that ...more Price: R249.00 (incl.) per ea Not in stock at present (see key) DVD, Scandinavian Spey Cast, The ** Author / Director: Henrik Mortensen Henrik concentrates on what he terms "the Scandinavian Spey Cast." To lend perspective, he visits the famous River Dee in Scotland to analyze the historical roots of the traditional spey cast with a classic Scottish ghillie. He then travels to Canada's ...more Price: R399.00 (incl.) per ea In Stock! Free Postage in ZA Solving Fly Casting Problems Author: Lefty Kreh How to Improve Your Distance and Accuracy, and Make Casts in Any Situation Casting a fly line is truly an art, and in Solving Fly-Casting Problems, Lefty Kreh shows how to get more distance, avoid tangles, and cast under conditions that would ...more Price: R179.00 (incl.) per ea Not in stock at present (see key) Joan Wulff's Fly Casting Techniques ** Author: Joan Wulff 16-time champion caster, offers in-depth analysis of every practical cast needed by the fly fisher. Sections on line speed, improving accuracy distance. B/w photos/drawings Price: R229.00 (incl.) per ea Not in stock at present (see key) Joan Wulff's Fly Casting Accuracy ** Author: Joan Wulff Using methods honed teaching thousands of students, Wulff leads readers through layers of elemental skills that, when combined, provide casters with the tools to deliver a fly consistently to a square inch of water, overhead cast or roll cast, ...more Price: R129.00 (incl.) per ea In Stock! Free Postage in ZA