Fashion design is a pipeline of separate skills — sketching an idea, understanding fabric, drafting a pattern, and sewing the garment — and it is easy to get stuck if you learn them out of order. You cannot draft a pattern for a fabric you do not understand, or sew a design you cannot draw.
This path follows the pipeline: learn to sketch the figure and design, understand materials, then draft patterns and sew. Note that a fashion design career also rests on portfolio work, internships, and hands-on training that no book replaces — these titles build the craft foundation beneath that.
Sketch and design
Start with the fashion figure. Fashion sketchbook by Bina Abling is the standard for drawing the elongated croquis and rendering garments on it, and Fashion Design Drawing Course teaches design illustration more broadly. Then step back to the discipline itself: The Fashion Designer's Handbook & Fashion Kit orients you to the working process, and Fashion Design by Sue Jenkyn Jones is a superb overview of the whole field from concept to collection.
Understand fabric
Design lives or dies on material. Fabric For Fashion: The Complete Guide covers natural and manmade fibers — how they drape, wear, and behave — which is knowledge every design decision depends on. Learning this before patternmaking saves endless frustration.
Draft patterns and sew
Now build real garments. Reader's digest complete guide to sewing is a comprehensive, beloved reference for construction technique. For patternmaking, Patternmaking for fashion design by Helen Joseph Armstrong is the standard textbook, and The Practical Guide To Patternmaking For Fashion Designers offers a more approachable companion. Vogue/Butterick Step-By-Step Guide To Sewing Techniques rounds out construction with clear, illustrated methods.
Finally, widen your perspective with The fashion system by Roland Barthes, a theoretical look at fashion as language and culture — worth reading once you understand the craft, to see the bigger picture.
Books teach the craft; a dress form, a machine, and many finished garments teach the rest. Follow the full path in order.