Hilde Kate Lysiak is the real-life reporter and publisher of the Orange Street News. Since starting her paper at the age of seven, Hilde has written and published hundreds of news stories in her hometown of Selinsgrove, Pennsylvania. Hilde is ten years old and she has already been recognized for her work in the New York Times, NBC Today Show, GMA, The Washington Post, and other media outlets around the world. Hilde Cracks the Case is her first book series.

Matthew Lysiak is a nationally recognized journalist and author. A former reporter for the New York Daily News, Matthew has appeared as a contributor on The Huffington Post, NBC Today Show, MSNBC, Fox News, CNN, and other media outlets to discuss his work. Matthew is the co-author of Hilde Cracks the Case. He lives with his wife and daughters in Selinsgrove, Pennsylvania.

Joanne Lew-Vriethoff is the award-winning illustrator of such books as Another Day as Emily and The Dancing Pancake by Eileen Spinelli and Peace, Baby! by Linda Ashman. Joanne was born in Malaysia and grew up in Los Angeles. Today, she lives in Amsterdam with her family, where she spends much of her time illustrating children's books.