Dr. Martin Bohner, Curators’ Distinguished Professor of mathematics and statistics, is an author of a new textbook on calculus time scales for undergraduate and graduate students. Multivariable Dynamic Calculus on Time Scales, published by Springer International Publishing, is available as an eBook and a hardcover textbook. Bohner wrote the book with Dr. Svetlin Georgiev, assistant professor of mathematics and informatics at Sofia University in Bulgaria.