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Suvini Zerboni still prints the method. It is available through music retailers like: Metodo Anzaghi Per Fisarmonica Pdf 22
One of the reasons the digital "Pdf 22" version is so highly sought after is its accessibility. Carrying a heavy physical method book can be cumbersome, especially when you are already lugging around a 20-pound instrument. Having the 22 key lessons or the full 100-plus page document on a tablet allows for easy practice anywhere. Having the 22 key lessons or the full
AbeBooks, eBay, and local used bookstores sometimes have older editions. These are legal to purchase and use. "You are playing the notes, Luca, but you
"You are playing the notes, Luca, but you are not playing the breathe," his uncle, Giovanni, said from the front counter. He was polishing a vintage Excelsior, his movements slow and reverent. "You treat the accordion like a piano with straps. It is not. It is a lung."
Many conservatory libraries and large municipal libraries (especially in Europe) carry the Anzaghi method. Interlibrary loan might bring it to you.