Hi! I'm a graphic designer and I used fonts a lot! Thanks a lot for all the fonts you upload in print root! You've saved my life a couple of times.
The things is that sometimes the fonts I don't know if they get a little corrupted, because once I install it and is in Font Book it shows like:
So instead of arranging all Avenir in a single "tab" it makes a lot of tabs with each type of mode of the font, is it Font Book or is any other Font Management App better?