Quick answer: Most books fit on shelves 10 to 12 inches deep spaced about 10 to 12 inches apart, with a taller bottom shelf for oversized books. Choose solid wood shelves that will not sag over time, mix books with a few objects, and always anchor a tall bookcase to the wall.
Measure what you own
Before you shop, pull a few of your tallest and deepest books off the shelf and measure them. Paperbacks need only 8 inches of depth, while most hardcovers, cookbooks and photo albums want 10 to 12 inches. Art books and records need more, so plan a lower shelf of 13 to 14 inches for them. Counting your books by the foot also helps: an average shelf holds about 10 to 12 hardcovers per foot, so a 36-inch shelf carries roughly three dozen. That simple math tells you whether you need one tall piece or a pair of matching ones.
Solid wood versus sag
Long shelves made of particleboard or thin plywood bow under the weight of books within a year or two. Solid hardwood stays flat far longer, especially on spans of 30 inches or less. A mid century corner bookshelf makes good use of an empty corner, while a freestanding unit can line a whole wall. If you love long, uninterrupted shelves, look for thicker boards or a center support, and put the heaviest books on the lowest shelves where they help keep the whole piece steady.
Open, closed or both
Open shelves are perfect for books you read and objects you love to see. Closed cabinets below hide games, paperwork, chargers and the things that make a room look busy. In a living room, a mix of the two works best: closed storage at the bottom for clutter, open shelves above for display. In a study, open shelving within arm's reach of the desk keeps reference books handy. Our bookcases and storage pieces include both open and cabinet styles in several wood tones.
Style the shelves
A good shelf has rhythm. Stand some books upright, lay a short stack on its side, and leave a little breathing room at the end of each row. Add one object per shelf, such as a small plant, a piece of pottery or a framed photo, and repeat colors from the rest of the room. Light matters too: a sculptural floor lamp beside the bookcase turns it into a reading corner and shows off the grain of the wood in the evening. Step back often while you arrange, and remove more than you think you need to.
Anchor it safely
Any bookcase taller than about 30 inches should be secured to the wall, especially in a home with children or pets who might climb. Use the included anti-tip hardware or a pair of furniture straps fastened into a wall stud. Load the bottom shelves first and the top shelves last, and keep the heaviest items low. On an uneven old floor, a few thin shims under the front edge tilt the bookcase slightly back toward the wall, which keeps doors closed and shelves from creeping forward.
Mixing pieces
A single tall bookcase can look lonely on a big wall. Two matching units with a gap between them frame a window, a desk or a reading chair, and the space between makes the arrangement feel built in. If your bookcases are different heights, put the tallest in the middle or at the end nearest the door, and let the others step down. A low cabinet under a window, topped with a cushion, adds a seat and hides storage at the same time. Keep the wood tones close so the whole wall reads as one piece of furniture.
Frequently asked questions
How deep should a bookcase be?
10 to 12 inches suits most books; 13 to 14 inches for art books or records.
How far apart should shelves be?
About 10 to 12 inches for most books, with a taller bottom shelf.
Do I need to anchor a bookcase?
Yes, anchor any bookcase taller than about 30 inches to a wall stud.
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