We all know just how obsessive Apple is about the little things. Scott Forstall, Apple's VP of iOS software, has mentioned that he uses a photographer's loupe to make sure that every pixel on the iOS interface is "just right." Now an upcoming book opens the door on a secret room at Apple HQ where product packages are designed and tested. The book, Adam Lishinsky's Inside Apple, will be available in ebook and printed form tomorrow (J