Perhaps you should try some spelling variations:
practical astronomy » optical astronomy, positional astronomy
cousot practical » cost practical, court practical, consent practical
astronomy series » astronomy sergey, gastronomy services, astronomy survives
patrick cousot » patrick count, patrick corsi, patrick coalston
mons nautical » logs nautical, nos nautical, hoc nautical
patrick mons » patrick moyes, patrick bond, patrick mpondo

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( the patrick cousot practical astronomy series ) OR ( the patrick mons nautical astronomy series )).
• Adding a wildcard symbol may retrieve word variants: (( the patrick cousot practical astronomy series ) or ( the patrick mons nautical astronomy series ))*.