Asked to help track down a ghost that allegedly rides a bicycle, sidekick Andres Miedoso accompanies a skeptical Desmond on a Ghost Patrol assignment that may or may not be related to mortal activities.

Meet Desmond Cole! A fearless eight-year-old who runs his own ghost patrol, looking for ghosts, monsters, and mischief makers everywhere. Oh, and he just so happens to be my new best friend...and thank goodness! Because I'm afraid of everything.
Welcome to Kersville, a town with a spooky history and a collection of ghosts and spirits who are major mischief-makers. Most kids spend their days without ever seeing or dealing with a ghost, but...

Desmond and Andres face a zombie during a school field trip to the zoo.

When Andres discovers that he has had a monster encounter without knowing it as strange things start happening in the school cafeteria, he and Desmond investigate.

It's Desmond and Andres versus the Zombie Zookeeper in the fourth book of the Desmond Cole Ghost Patrol chapter book series!
For this case, Desmond and Andres off to the zoo! Zoo field trips are the best. You get to ride in a bus, you get to spend the day outside, and all the animals are safely far away in their enclosures. Nothing scary here, right? Wrong! Leave it to Desmond Cole to find the one zookeeper who's also a zombie.

With...

Desmond and Andres battle beach bullies who also happen to be creepy monsters in the third book of the Desmond Cole Ghost Patrol chapter book series!
When you go to the beach with Desmond Cole, it isn't all sand, surf, and sun. It's more like, ghosts, ghouls, and gloom. And yes, being haunted while there's sand in your swimsuit is annoying, but at least you can always count on one thing—beach life is never boring with Mersurfers around.
...

Desmond and Andres face a snowman that was built by a schoolmate but seems to have a mind of its own, as well as a snowball-throwing bully.

"Museums are great places to see really old stuff. The Kersville Museum has old paintings, old statues, and even old mummies that come with old curses. Sounds like a perfectly safe place to visit for family fun. Until the mummies start to disappear!"--Back cover.

It's Desmond and Andres versus a sneaky snowman in the seventh book of the Desmond Cole Ghost Patrol series!
There's snow in the air and a sneaky snowman on the loose! When one of the local kids builds the perfect snowman, it comes to life...and not in a Frosty, sing-song kind of way. Now it's up to Desmond and Andres to chill this overgrown snowball out before the whole town gets frozen.

With easy-to-read language and illustrations...

Desmond and Andres try to enjoy their day at the local theme park while being pursued by ghosts.