"A soft cover book is flexible and a hard cover is rigid."

Soft-covered textbooks makes people feel comfortable to grab in hand and read at lots of places they want: sit on sofa, etc. Meanwile, the hard-covered textbooks makes you feel really hard to grab-and-read a book: you may feel difficulties trying to grab it firm when you read it (especially turning pages freely). That's why hard cover is rigid.

Hard cover is intended to be rigid since such design is for making books into collections on the shelf (looks luxury).

Anyway, no matter you prefer soft cover or hard cover, you also can place the order here with your minds.

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