Given this ViewSet and router code, what URL pattern will be created for retrieving a single book by ID?

Given this ViewSet and router code, what URL pattern will be created for retrieving a single book by ID?

from rest_framework import routers, viewsets
from myapp.models import Book
from myapp.serializers import BookSerializer

class BookViewSet(viewsets.ModelViewSet):
    queryset = Book.objects.all()
    serializer_class = BookSerializer

router = routers.SimpleRouter()
router.register(r'books', BookViewSet)