Perhaps you should try some spelling variations:
practical astronomy » optical astronomy, positional astronomy
astronomy series » astronomy sergey, gastronomy services, astronomy survives
course practical » yourself practical, concise practical, care practical
mouse practical » rouses practical, more practical, use practical
patrick course » patrick corsi, patrick case, patrick count
mouse nautical » mouse natural, mouse cortical, mile nautical
patrick mouse » patrick moore, patrick mons, patrick cousot
logs nautical » nos nautical, hoc nautical, some nautical
patrick logs » patrick lord, patrick l.s, patrick love

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 mouse practical astronomy series ) OR ( the patrick course practical astronomy series ))) OR ((( the patrick mouse nautical astronomy series ) OR ( the patrick logs nautical astronomy series )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( the patrick mouse practical astronomy series ) OR ( the patrick course practical astronomy series ))) or ((( the patrick mouse nautical astronomy series ) or ( the patrick logs nautical astronomy series ))))".
• Adding a wildcard symbol may retrieve word variants: (((( the patrick mouse practical astronomy series ) OR ( the patrick course practical astronomy series ))) or ((( the patrick mouse nautical astronomy series ) or ( the patrick logs nautical astronomy series ))))*.