globalrider
Alps Adventurer
I had the opportunity to do this in 2002, and planned my own trip using John Hermann's Motorcycle Journeys Through the Alps and Corsica.
I have John's first two versions of his book.
As far as being in the English language, they are pretty well all that are available. Having done quite a bit of riding here through, I've noticed the book leaves out a lot (all) of the out of the way back roads.
The following books may all be in German, but the info as far as maps/routes/pics is first rate providing complete coverage of Alpine roads for the ultra enthusiastic Alps rider. All are tank bag sized and available from Amazon.de...