1. South Shore Axess Collection 5-Shelf Narrow Bookcase, Pure White (Click Link to Check Price on Amazon)
Editor's Rating : 8.9 out of 10
Features 5 open, practical and accessible storage spacesIt comes with 2 fixed and 3 adjustable shelves that can support up to 30 pounds each

2. Way Basics Eco 3 Shelf Narrow Bookcase and Storage Unit, White (made from sustainable non-toxic zBoard paperboard) (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
LIFETIME WARRANTY. Happiness with product and service promised by our CEO and Founder jimmy@waybasics.comMade with durable zBoard recycled paperboard, eco friendly, non-toxic and free of formaldehyde & VOC

3. Furinno 11206SBE Pasir 3 Tier Bookcase with Door with out Handle, Steam Beech (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
Simple stylish design yet functional and suitable for any roomMaterial: Manufactured from Engineered particle board.

4. South Shore Jazz 5-Tier Open Narrow Bookcase, 72-Inch, White (Click Link to Check Price on Amazon)
Editor's Rating : 8.9 out of 10
Weight capacity of each shelf: 30 poundsInclude a fixing bracket to secure it to the wall

5. Dline - White Wood&Plastic Storage Shelf - Bookcase (4C) (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
ENVIRONMENTAL MATERIAL:Wood-Plastic composites material light (12 lbs) but sturdy(MAX.130 lbs load bearing) and durable no formaldehyde zero pollution environmental protection for health.EASY ASSEMBLY AND DISASSEMBLY:Easy assembly and disassembly in 2-3 minutes no tools&screw required mould proof & waterproof.