Covers and endpapers
Hard cover
Also known as Hardback, where cover paper or other cover material is glued onto a thick board. This gives the book protection and durability.
Maximum size for glued or sewn hard cover books with round spine: 290×380 mm
Maximum size for glued or sewn hard cover books with flat spine: 300×380 mm
Minimum size for glued or sewn hard cover books: 70×100 mm
Soft cover
Also known as Paperback, with either a thick paper or cardboard cover.
Minimum size for glued or sewn soft cover books: 70×82 mm
Minimum size for glued or sewn soft cover books with flaps: 100×82
Maximum size for glued or sewn soft cover books: 300×430
Cover with flaps
Usually with flaps on front and back covers, but also possible with just one flap or double-flaps. Mostly common for soft cover books, saddle-stitched brochures and flexi bound books.
发表回复