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Testimonials

Don't take my word for it. Listen to my readers, what they say about my Graphically Enhanced Manuals

Your books can be considered as a reference model for software manuals. - Giovanni

I cannot praise you enough, you are great at this - Scot C.

I like your book style. Cuts to the workings and is spot on for a full explanation. - Alan M.

Thank you for your wonderful book - Larry C.

I love your manuals. They are a huge help and are written in a concise and informative style that is rare in the manual world! - Alex T.

Love your writing! - Magnus N.

Again, congratulations on a really excellent manual! - Richard H.

Many thanks for the effort you put into these books. A true gem. - Alan M.

Thanks for a fantastic series of books - just what the doctor ordered. -Peter W.

There are so many sects that no YouTube tutorial covers.


It is absolutely a top shelf product and I will be a lifelong customer


You are making a lot of musicians' learning curve fun and enjoyable - Alex S.


The level of detail and clarity of presentation are better than anything else that I’m aware of.


I have published several books and many more technical manuals, and greatly admire your presentation style and the quality of your publications.- Dr Brian G.


Thank you for making learning a joy - Paul S.


I found your books to be absolutely excellent in their presentation. You really have a wonderful way of producing great learning materials - Don G.

Best manual I've ever used. - Captain K.


I call them GEM, too - Great Educational Method


Your books are remarkable - Edward C.


Your book is awesome - Geoff S.


I am enjoying using the book. Nicely written - Lon G.


I am really impressed by the quality and the user-friendliness of the book - Giovanni


Love your writing! - Magnus N.


I like your book style. Cuts to the workings and is spot on for a full explanation. - Alan M.


The book it is a model of clarity and usefulness.  - Richard H.


You take wonderful care of your customers with these updates! - Leslie S.


Have found the book (and updates!) amazingly helpful. - Miachel G.


I love your manuals. They are a huge help and are written in a concise and informative style that is rare in the manual world! Alex T.


Thank you for being at the forefront of the next generation of books! - Brian D.


Edgar Rothermich's books are one of the greatest publishing values I have found. - SpectrumReader


I found your manuals simply remarkable - Scot C.


Your book is awesome - Geoff S.


I was blown away by the amount of (etailed) information that is in this book. - jooorr


I haven't seen any book where the author puts so much effort in even the smallest detail. - Adam P.


Best book I've ever learned wtih, or should I say experienced. Highly recommended that one !!! - Cmpsr9


I never new that learning could be so much fun and engaging until I discovered this book sereis "GEM". - gustavoMMM


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Well this book and the others absolutely blew my mind away


Still not convinced?