Book Shelf Double Top Empty
A wood regular block with 225 hit points.
Crafting
Craft at Backpack · makes 1
Crafted as 
Wood Furniture: pick this one of its variants when you place it.
Drops when destroyed
Wood× 1-3
When it collapses
Falling, it leaves 
Wood Debris (Terrain) (30% of the time) where it lands.
Where to find (17 POIs)
Dishong Tower (tier 5), Navezgane General Hospital (tier 5), Holvez Rent-a-Car (tier 4), Richard Munchz Plaza (tier 4), St. Moe's Cathedral (tier 4), Crack-A-Cafe (tier 3), Town Square Apartments (tier 3), Crack-A-Book (tier 2), McPherson UFO Museum (tier 2), The Book Barn (tier 1), Country Crack-a-Book, Last Cast Rentals, Montgomery Public School, Navezgane Public Library, Patriot Pavilion, Rogue Nerds Refuge, The AZ Sport Business Pavilion.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.