October 2006, V5 #10: Define Friday, Mar 20 2009 

Tail: The bottom edge of a leaf, board, or bound volume; that is, the surface on which a volume rests when shelved upright.

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For other printing, publishing, marketing lingo, check our glossary at http://www.gregathcompany.com/gloss.html

July 2006, V5#7: Definition Tuesday, Feb 24 2009 

 *Leaf Attachment: How the pages of a text block are “bunched” together such as sewn by thread, adhesive, or non-ANSI/NISO/LBI Standard: staples.

Joint:  The grooves that run top to bottom (head to tail) on the outside of the cover itself, front and back, along which the boards hinge when they open.

Terms marked with an asterisk (*) are not generally used in our office.

June 2006, V5#6: Define Friday, Jan 30 2009 

Trim Edge (or Margin – also “Fore Edge”): The edge of the page (leaf) or a board opposite from but parallel to, its binding edge (i.e., opposite from its binding edge).

April 2006, V5#4: Define Thursday, Jan 29 2009 

Text Block: The pages/leaves of a book after they have been bound together. A group of printed or written pages that may be or have been bound, excluding all paper to be added by the bookbinder such as the endpapers, etc.

Book Block: Endpapers, text block and all other materials before hard or soft binding.

March 2006, V5#3: Design Thursday, Jan 29 2009 

 Lower cost alternative to custom printed end sheets:

  • Contrasting end sheets (maroon cover, mauve end sheets)

February 2006, V5#2: Design Thursday, Jan 29 2009 

Pep up your end papers: Lower cost alternative to custom printed end sheets:

  • Matching end sheets (blue cover, blue end sheets, etc.)

February 2006, V5#2: Define Thursday, Jan 29 2009 

Recycled Paper: Paper that is half (50%) either pre-consumer or post-consumer waste.

Brittle paper (in rebinding): Paper that breaks when folded or crumpled. We don’t recommend regular rebinding this type of paper – we suggest visiting a conservator instead.

January 2006, V5#1: Production Thursday, Jan 29 2009 

Basic Paper Primer

Paper  weight is based on the basic size of a given paper as determined by a given mill.  For this reason, many weight notations one finds has at least 2 separate numbers.  This does not necessarily mean the weight fluctuates between the two.  Generally with printers and suppliers is not a range, but a definition from more than one source and may include more than one grade of paper (bond, text, etc.).  A 50/60# paper is ordered as 50# and as 60#.  However, when put through standardized testing, it is found that each sheet carries the same weight. All specifics supplied If in doubt, check with the business presenting the number information for formal explanation.  Gregath paper suppliers do recognize the standard variation in basis weight of + or – 5% as acceptable by industry standards.

Paper brightness affects the legibility and contrast of printing.  The brightness test measures the reluctance of paper under strict optimal conditions and related it to a white standard (Magnesium Oxide).  The test is mainly applicable to white paper grades.  Basic offset grades are usually in the 80% brightness range.  Aesthetic importance may also be given to the brighter papers.  However, if archival quality is a focus, one must be certain that it is not traded for the brightness.  White papers with 90+ brightness sometimes actually have a blue or colored cast due to additives. 

January 2006, V5#1: Design Thursday, Jan 29 2009 

Pep up your end papers: Lower cost alternative to custom printed end sheets:

  • Free form one of a kind end papers – freehand design or made with an inked rubber stamp

  • Photo (or other item) plates

November 2005, V4#11: Define Thursday, Jan 29 2009 

Point: Unit of thickness, one thousandth of an inch (0.001″).

Ream: 500 sheets of paper, regardless of size, weight, or grade.  However, many refer to wrapped paper groups as a ream, such 250 index stock, 100 specialty paper, etc.

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