Tuesday, August 26, 2008

Book Printing: Choose Your Paper Stock Wisely

By Joshua Prizer


With hundreds of available paper stocks, the decision of which paper to use for your print run can be overwhelming. Most of all, it's a decision determined by the type of book you are printing. A children's or coffee table book? You'll need a thick glossy sheet to help your color images stand out. A novel? Go cheap.

First-time publishers need to understand the difference between the paper they purchase at an office supply store versus what is used by a professional printing plant. While paper weights at an office supply store are measured as "bond," printing plants use a different measurement called "offset." I won't get into the details of why bond and offset weights are different for the same type of paper, but just know that if you multiply a bond weight by 2.5, you get the offset weight. For example, the 24# bond paper you purchase at Office Max is the same thickness as a 60# offset sheet used by your printer.

Typically, I would recommend that for a standard book with just black text (no color) and not a lot of images, 50# offset is just fine. If there are a lot of graphics in the book, you might want to bump up to 60# offset to eliminate some see-through from one side of the page to the other.

One thing I cannot emphasize enough - get print samples. There are a couple times when I have had a client tell me they knew exactly what type of paper they wanted to use, but then they were disappointed when they got the final product. Why? A friend of theirs had told them which paper stock to choose, and they ordered their books without ever seeing a paper sample. Don't make the same mistake!

Choosing paper stock for a book printed in full color is sometimes a little trickier. You may want to go with a glossy paper stock to make any images "pop" a little more. However, glossy stock often feels thinner than standard paper stock.

Most full color books are printed overseas, where a different standard of paper measurement is used - grams per square meter (gsm). To calculate gsm, multiply the offset weight by approximately 1.5. So an 80# gloss sheet in the U.S. would be the same as a 120 gsm sheet overseas. You'll definitely want a thicker paper stock for your color book versus a black & white book.

Again -- always get samples before making your decision!

Always ask for your book covers to include gloss lamination. Standard paperback cover stock is 10 pt. C1S. A C1S cover means that it is coated on one side for durability and to help the colors "pop" a little more. If your book is on the large side, consider bumping up to a 12 pt. cover for extra durability.

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