Mary-Jo Waeber
Mary-Jo Waeber has written at least 1 book. Their most popular book is 30-Second Astronomy with 1 save with an average rating of 3⭐.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
4 released booksAuthored 25% of series
30-Second
30-Second is a 4-book series with 4 released primary works first released in 2009 with contributions by François Fressin, Mary-Jo Waeber, and Julian Baggini.
