“Platypus Police Squad: The Frog Who Croaked” by Jarrett J. Krosoczka; Walden Pond Press, $12.99.

The Platypus Police Squad is out to clean up Kalamazoo City, where illegal fish are making people sick, in this fun new mystery series from the author/illustrator of the Lunch Lady graphic novels.

Zengo, a new detective on the force, still lives with his parents. His grandfather was a hero policeman. Zengo is a little too overeager for his partner Corey O’Malley (and spills hot chocolate all over him at their first meeting), but there does seem to be something fishy about Frank Pandini Jr., a panda bear who is the most important businessman in town. Their first call from down at the docks involves a duffle bag full of illegal fish and a missing English teacher, who is a frog. And the high school’s star football player (a fox) seems to be acting a bit suspicious. To complicate matters, he’s the boyfriend of O’Malley’s daughter.

The drinks are root beer floats, the police weapons are boomerangs, and the ending is a cliffhanger that will keep you eagerly awaiting the next book.

– Jean Westmoore


Celebrate Children’s Day from 1 to 4 p.m. Sunday at Penn Dixie Paleontological and Outdoor Education Center in Hamburg. The event will include many family activities including live birds, rocket launches at 1:30 and 2:30 p.m., face painting, fossil collecting, jewelry making and more. Cost is $7 for adults, $6 for children 12 and under and free for children 2 and under and Penn Dixie members. For information, call 627-4560 or visit


Bats, which have poor eyesight, use echolocation to keep from slamming into objects, and to detect their favorite meal – bugs.

Bats emit a high frequency sound that humans cannot hear and then wait for the sound to echo off of any nearby objects. Based on how long the echo takes to reach it, bats can determine the distance, location, movement and size of the object.

Submarines use sonar in much the same way.

– Time for Kids: Big Book of Why