To the London of his day, he is our best guide.
You go to a party and the center of attention is the guy who's the best guide on the river.
It is among the best guides ever on the subject.
The child is, indeed, in these, and many other matters, the best guide.
Almost 35 years old, but still the best guide to Chinese cooking for those with little or no experience.
They were the best local guides in the darkness- and if something went wrong.
More often than not, common sense is your best guide.
What makes the report the best guide for a story?
Somalia is probably the best guide as to what such a country would turn into.
Doesn't that mean it's the best guide in the country?