Book cover

A book protective cover for removable attachment to and detachment from a book having front and back covers, a spine and a number of bound pages, said protective cover comprising:

• an outside panel having front and back side edges and top and bottom edges, said panel having a front cover portion, a back cover portion and an intermediate spine portion between the front and back cover portions,
• a front pocket panel secured to the front cover portion to define a front pocket for receiving the front cover of a book, and
• a back pocket panel secured to the back cover portion to define a back pocket for receiving the back cover of a book, one of said pocket panels having first and second mutually spaced side edges, and
• a card holding slit, said slit extending transversely across said one pocket panel between points spaced inwardly of said pocket panel side edges, said slit being convex upwardly, to provide an easy open lip that may be readily displaced outwardly of the plane of said one pocket panel to provide an opening for receiving a card inserted through said slit between said pocket panel and one of said front and back cover portions.

A book protective cover for removable attachment to and detachment from a book having front and back covers, a spine and a number of bound pages, said protective cover comprising:

• an outside panel having front and back side edges and top and bottom edges, said panel having a front cover portion, a back cover portion and an intermediate spine portion between the front and back cover portions,
• a front pocket panel secured to the front cover portion to define a front pocket for receiving the front cover of a book, and
• a back pocket panel secured to the back cover portion to define a back pocket for receiving the back cover of a book
• said outside panel being substantially rectangular and having a plurality of panel corners,
• said pocket panels being secured to said cover portions by weld seams extending along said front and back side edges and top and bottom edges, said weld seams forming seam corners at said panel corners, at least some of said seam corners having inner and outer boundaries, said outer boundary having an outer radius of curvature, said inner boundary having an inner radius of curvature substantially less than said outer radius of curvature and forming a sharp, rectangular inner seam corner.