Comets

Baltimore: Williams & Wilkins, 1930. First edition (presumed). Small octavo in dark blue cloth with gilt titles; x, 246 p. front., plates, diagrs. 21 cm. Ex-library with minimal markings and only one date of circulation; else Very Good with light edge-wear. Title partly 20% detached at top fold. Hardcover.

"Sequel to the author's book 'Meteors'"--Pref. // Astronomy, Comets, outer space.