Book cover with lower material requirements and improved stress distribution

A stretchable book cover for insertion of a book therein, said cover comprising:

• a. an outer panel portion for covering a front cover, a back cover, and a spine portion of said book, each of said front cover, back cover, and spine having edges;
• b. four folded-in edge panel portions, wherein
• i. said four folded-in edge panel portions include a first side edge panel, a second side edge panel, a top edge panel, and a bottom edge panel;
• ii. said four folded-in edge panel portions form the interior panel portion of said book cover;
• iii. an edge of said first side edge panel is attached to an edge of said top edge panel to form an angled seam;
• iv. an edge of said second side edge panel is attached to an edge of said top edge panel to form an angled seam;
• v. an edge of said first side edge panel is attached to an edge of said bottom edge panel to form an angled seam;
• vi. an edge of said second side edge panel is attached to an edge of said bottom edge panel to form an angled seam;
• and
• vii. no seam is formed directly between said top edge panel and said bottom edge panel;
• c. at least one fabric strap for connecting said top edge panel to said bottom edge panel, forming a pair of apertures, extending substantially parallel with said book spine, to permit insertion of said front and back covers of said book into the cover, wherein said cover is comprised of a pliable material and wherein said book cover does not have any seams coincident with any of said edges of said book.