This book is a volume in the Penn Press Anniversary Collection. To mark its 125th anniversary in 2015, the University of Pennsylvania Press rereleased more than 1,100 titles from Penn Press's distinguished backlist from 1899-1999 that had fallen out of print. Spanning an entire century, the Anniversary Collection offers peer-reviewed scholarship in a wide range of subject areas.
"Goes far beyond the mere discussion of various methods of orbit determination. . . . Very readable . . . yet as technical as necessary for the material covered."--Sky and Telescope
"An intensive study of double stars and their properties, this book provides an authoritative introduction to astronomy, spectroscopy, and photometry."--Science