made attractive for beginners. It should teem with illustrations, and
the youthful reader should be fascinated as he follows the sun and moon
in their courses, learns how eclipses occur, and understands about
meteors, comets, and nebulæ. There should also be directions for
finding the principal stars on any night of the year. Such a book should
command a ready sale, for he who writes for boys and girls has the
largest market.