Have you ever noticed an accidental trend in your reading? A central theme that ties books together that you didn't notice when you picked them up? This happens to me all the time, and the most recent incident involved codes and ciphers. I checked out a teen book, Code Name Verity by Elizabeth Wein, on my sister's recommendation. And my hold on the second title in The Code Busters Club, The Haunted Lighthouse by Penny Warner, arrived almost simultaneously. Both are excellent and sparked an interest in code making and breaking. When you read them, you'll be curious too. So, here's a list of books available at Hoover Public Library to satisfy that curiosity.