_Fillet._ A cylindrical tool used in finishing, upon which a line or lines are engraved. _Finishing._ Comprises tooling, lettering, polishing, etc. _Flexible._ A book sewn on raised bands, with the thread passed entirely around each band, allowing the book to open freely. [Illustration: A Century of French Romance Edition work. French Levant with colored inlays. Decoration "stamped" in gold.] [Illustration: A Century of French Romance Edition work. Persian Morocco. Semis (powder or diaper design) "stamped" in gold.] _Fore edge._ The front edge of the leaves. _Forwarding._ Comprises all the operations between preparing and finishing, including the forming and trimming of the books, and the covering of the boards. _Gaufre Edges._ Impressions made with the finisher's tools on the edges of the book after gilding. _Gouge._ A finishing tool forming the segment of a circle. _Guards._ Strips of paper inserted in the backs of books, upon which inserts are mounted, intended to prevent the books being uneven in thickness when filled. _Inlaying._ (1) Extending "extra" illustrations by inserting them in leaves to correspond to the size of a book. (2) A style of Mosaic work made by the insertion of vari-colored leathers or other material on the cover or double. _Kettle-Stitch._ A catch-stitch formed in sewing at the head and foot. _Lacing-In._ Lacing the bands on which the book is sewn through holes in the boards to attach them. _Limp._ A cover without boards or other stiff materials, allowing the sides to be pliable. _Marbling._ A method of coloring the edges or end papers in various patterns, obtained by floating colors on a gum solution. _Mitred._ Tooled lines meeting at a right angle without overrunning. _Morocco._ A fine kind of grained leather prepared from goatskin. _Levant Morocco._ The skin of the monarch breed of goat; a large grained Morocco. _Overcasting._ Oversewing the back edges of single leaves of weak sections; also called whipstitching or whipping. _Pointille._ The dotted style of Le Gascon. _Preparing._ Comprising all the preliminary operations up to "forwarding," including folding, gathering, collating, and sewing. _Register._ When the printing on one side of a leaf falls exactly over that on the other it is said to "register." _Rolls._ Cylindrical ornamental tools used in finishing. _Sawing-in._ When grooves are made in the back with a saw to receive the bands. _Semis._ A diaper design made up of the repetition of one or more small tools. _Signature._ Each folded sheet or section of a book. _Squares._ The portion of the covers projecting beyond the edges of the book. _Tall Copy._ So called when the book has not been reduced in size by trimming, with the leaves entirely uncut. _Tooling._ Impressing the design or pattern in gold leaf, with finishing tools, by hand. _Blind Tooling._ The impression of finishing tools without gold leaf.