Using taps and dies to create threads is essentially easy, if you take care. It is when you are faced with cutting threads yourself, in the lathe, that things get complicated, especially if an unusual thread form is involved.
In what has to be one of the best modern books on this subject, Dr.Marcus Bowman covers the whole subject in depth, and also includes 7 Projects to (a) make sure you have understood the book, and (b) create some useful items.
A book any model engineer who wants to cut accurate threads really should have on their bookshelf.
160 pages, crammed with colour photographs, diagrams and drawings, and 21 reference tables. Hardbound.
Se also 'Gearing for Lathes for Screwcutting' in the same series