Astronomers of To-Day by Hector Macpherson - 1905.

A presentation copy given to Percival Lowell by the author in 1905. This book was formerly in the Lowell Observatory library since there is a library stamp embossed on the title page.

Front Cover.

Percival Lowell's library stamp and the author's inscription.

Title Page.

Percival Lowell's biography. Note the date of his death penciled in the margin, which was probably done by a member of the Lowell Observatory.