The ISBN of The City of Love is 9780143103813.
The ISBN of Love to Love You Bradys is 978-1550228885.
The ISBN of Liars in Love is 0440046696.
The ISBN of Geek Love is 0394569024.
The ISBN of For Love of Evil is 978-0688082116.
The ISBN of The Secrets of Love is 978-1853407741.
The ISBN of The City in History is 0156180359.
The ISBN of Strumpet City is 0099187507.
The ISBN of Zoo City is 9781770098183.
The ISBN of City of Joy is 0099140918.
The ISBN of Astro City is 9781401228439.
The ISBN of Broken City is 1401202144.
The ISBN of The Sunless City is 1409972054.