Don’t push the books all the way to the back of the shelf, align the spines with the front edge.
Don’t push the books all the way to the back of the shelf, align the spines with the front edge.
Please line up the spines of the books with the front of the shelf instead of pushing them back.
「本を本棚の奥に押し込まず、背表紙を棚の前面に合わせて」という表現では、
・「押し込む」は push / shove
・「奥まで」は all the way to the back
・「背表紙」は spine