He is the author of three books and his work has appeared in a variety of publications including Bluegrass Unlimited, Paste (magazine), Relix, AmericanaUK, Inside Lacrosse, Society for American Baseball Research, Slide & Banjo, and Honest Tune, where he was the Features Editor.

Newby has written three books, 2015's Bluegrass in Baltimore and 2019's Leftover Salmon: Thirty Years of Festival!, and his latest a biography on 19th Century baseball legend Pete Browning, published in Fall 2024 by the University Press of Kentucky.

[9] In 2023 Newby co-curated "Ola Belle Reed: I’ve Endured," an exhibition at the Albin O. Kuhn Library Gallery on the campus of the University of Maryland, Baltimore County.

The exhibition explored the life and work of nationally recognized Bluegrass musician Ola Belle Reed and contextualized her achievements within a history of migration from rural Appalachia north in the twentieth century.

The Original Louisville Slugger received extremely positive reviews upon release, with Bevis Baseball Research declaring, "Newby has penned one of the best biographies of a 19th century ballplayer ever written.