I often see copies of Brewer's for a buck. It's very common. It has been revised countless times. I think there are several older, public domain versions available online, like this one:

https://www.bartleby.com/81/

And, of course, Google has lots of opinions about the origins of "Bob's Your Uncle." The phrase never made much sense to me, because Bob's my father. My siblings occasionally made fun of their father for his name, but I always thought that three-letter names like Bob and Joe were a sign of nobility....Dad and I were the only ones in the family with three-letter names.