Result: 1× Lectern
Lectern is a shaped crafting recipe that uses 5 items: 4 Any Wooden Slab and 1 Bookshelf. Place the ingredients exactly in the pattern shown above. The pattern can sit anywhere on the grid as long as its shape stays the same. It needs the full 3×3 grid, so you have to use a crafting table. "Any Wooden Slab" means any of 13 kinds: Oak Slab, Spruce Slab, Birch Slab, Jungle Slab …
You need 4 Any Wooden Slab and 1 Bookshelf — 5 items in total, arranged as shown in the crafting grid. The recipe gives you 1× Lectern.
Yes. The recipe needs the full 3×3 grid, which only a crafting table offers.
It is a shaped recipe: the arrangement matters. You can shift the pattern around the grid, but the shape must stay the same.
Yes. "Any Wooden Slab" means any of 13 kinds: Oak Slab, Spruce Slab, Birch Slab, Jungle Slab …