Bruce Koscielniak Books

Johann Gutenberg and the Amazing Printing Press
Johann Gutenberg and the Amazing Printing Press

By Bruce Koscielniak

Average: 0.00, 0 Ratings

A history of the modern printing industry, including how paper and ink are made, looking particularly at the printing press invented by Gutenberg around 1450 but also at its precursors.

Read More
About time
About time

By Bruce Koscielniak

Average: 0.00, 0 Ratings

Describes the concept of time and how it has been measured throughout history, using water clocks, sundials, calendars, and atomic vibrations.

Read More
Hector and Prudence--all aboard!
Hector and Prudence--all aboard!

By Bruce Koscielniak

Average: 0.00, 0 Ratings

Hector and Prudence and all their piglets set up the toy train under the Christmas tree and go for an unusual ride.

Read More
Bear and Bunny grow tomatoes
Bear and Bunny grow tomatoes

By Bruce Koscielniak

Average: 0.00, 0 Ratings

A hard-working bear and a lazy bunny both plant tomatoes in their gardens, with quite different results.

Read More
Hector and Prudence--all aboard!
Hector and Prudence--all aboard!

By Bruce Koscielniak

Average: 0.00, 0 Ratings

Hector and Prudence and all their piglets set up the toy train under the Christmas tree and go for an unusual ride.

Read More
Bear and Bunny grow tomatoes
Bear and Bunny grow tomatoes

By Bruce Koscielniak

Average: 0.00, 0 Ratings

A hard-working bear and a lazy bunny both plant tomatoes in their gardens, with quite different results.

Read More

Related Articles from our Blog

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

Read More