The order of Penn Cage novels can be a bit tricky as it depends on different factors such as the release date and the internal chronology of the story. Generally, it's best to start with the first one published and then follow along. Some of the early novels set the foundation for the character of Penn Cage, his family, and the town he lives in. Reading them in order helps in understanding the full arc of the story.
I'm not sure exactly how many Penn Cage novels there are. You might want to check on the author's official website or some reliable literary databases for the most accurate count.
One popular Penn Cage novel is 'The Quiet Game'. It's full of mystery and intrigue, set in a southern town with a complex web of secrets. The characters are well - drawn, and the plot keeps you guessing.
I'd recommend 'The Quiet Game' as a starting point for Penn Cage novels books. It's relatively easy to get into and sets the tone for the series. The story unfolds in a way that is not too complex for new readers.
Another option is to look at online book retailers like Barnes & Noble or Amazon. They usually have the series listed in order, and you can also read reviews from other readers who might mention the proper reading sequence.
You could also look for reading guides online. There might be fans of the Penn Cage novels who have created guides on the best order to read them. Some might base it on the complexity of the storylines, suggesting starting with the simpler ones first and then moving on to the more intricate ones. Others might group them by themes and recommend reading all the novels related to a particular theme first.