Twinkle Twinkle Little Star, I Know Exactly What You AreJulia Kregenow · First published 2018Open the Tome
Introduction to Research in AstronomyStephanie Slater, Timothy Slater, Christopher Palma, Julia Kregenow · First published 2015Open the Tome
Student's Guide to the Mathematics of AstronomyDaniel Fleisch, Julia Kregenow · First published 2013Open the Tome
