Hardcover
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A hardcover, hard cover, or hardback book is one bound with rigid protective covers. It has a flexible, sewn spine which allows the book to lie flat on a surface when opened. Modern hardcovers may hav
A typical hardcover book (1899), showing wear
Old hardcover books at the Merton College library
The Holy Bible—Relievo leather‑bound edition (1864)
A King James Bible bound in blue faux-leather cloth
Paperboard
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Paperboard is a thick paper-based material. According to ISO standards, paperboard is a paper with a grammage above 250 g/m2, but there are exceptions. Paperboard can be single- or multi-ply. The rela
Hardcover
…hardcover, hard cover, or hardback (also known as hardbound, and sometimes as casebound) book is one bound with rigid protective covers (typically of binder's board or heavy paperboard covered with buckram or other cloth, heavy paper, or occasionally leather). It has a flexible, sewn spine which allows the book to…
Corrugated fiberboard made from paperboard
Crush-proof cigarette pack made of folding boxboard
Metsä Board Tako paperboard factory near the Tammerkoski in Tampere, Finland