The Sigourney Public Library will be hosting a book signing and open house today with local authors Lyle and Kevin Hammes. Sigourney Public Library Director Andi Wallerich says the authors wrote the book Hawkeye Greats, By the Numbers-Volume 1. Wallerich says the authors will be talking about the book, how it came to be and why they decided to write it, and what is coming up next. Books will be available for purchase at the library. The signing will be from 2 to 3:30pm today.