Original sentence: As a specific example, a 8 1/2 by 11 conventional black and white 432 page paperback book with $4 author margin shows up on Amazon for $35.95.— collectively, "Lulu"  )  is a company offering diverse publishing and printing services
Edited sentence: As a specific example, a 8½ by 11 conventional black and white 432 page paperback book with $4 author margin shows up on Amazon for $35.95.— collectively, "Lulu")  is a company offering diverse publishing and printing services