@foreach (var book in Model.Books)
    {
    <p>
        Title: @book.Title. Author: @book.Author. ID: @book.ID
        <button class="btn-primary" asp-controller="Books" asp-action="CheckOut" asp-route-id=@book.ID> Check-out book </button>
        <button type="button" onclick=""> Reserve book </button>
    </p>