How to push the last element to the edge of flexbox?

Question

css

Hello, there was a situation when you need to make a block with goods
. Everything will align using flexbox

.bookWrap{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.book{
     margin: 10px;
     border: 1px solid #000;
     width: 350px;
}

The following situation turns out:
How to press the last blocks to the right edge?

Answer 1

In this context, no way.
Only if through :last-child and margin.
Or get rid of space-around and do calc(width - indent * 2) a la like this:
Above is a typical implementation of such things on flex.