The Zaccaros ultimately sold the rights for their books to be republished in Korean, Vietnamese and Chinese.
“It is very fun seeing the books in another language,” Sara said.
Through the years, the Zaccaros forged relationships with a variety of printing partners.
They had a lengthy relationship with Quebecor Printing, a Canadian printer that long had a physical presence in Dubuque. That company later changed its name to World Color Press before closing its Dubuque operation.
In recent years, the Zaccaros struck a deal with Amazon, the forum on which the vast majority of their products have sold. Under the pact, Amazon arranges for books to be printed once they are ordered.
Sara, though, emphasized that local partners also have played a vital role in pushing the business forward. She specifically cited River Lights Bookstore, which has long carried a wide variety of Hickory Grove Press textbooks.
In the early going, Ed focused his books on mathematics, which isn’t a surprise given his background.
He noted that his father was a mathematics professor, and as a result, he always felt like he was surrounded by it
“Math is in my genes,” he said.
Even so, he started to branch out, writing books on topics such as science. Whatever the topic, though, Ed found that his passion drove his production.
Originally Appeared Here