Perhaps you should try some spelling variations:
practical astronomy » optical astronomy, positional astronomy
astronomy series » astronomy sergey, gastronomy services, astronomy survives
mouse practical » course practical, rouses practical, more practical
patrick mouse » patrick moore, patrick cousot, patrick mkie
patrick mons » patrick moyes, patrick mpondo, patrick timony
patrick bond » patrick d, patrick b, patrick d.d

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 mons) OR (patrick bond)) 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 mons) OR (patrick bond)) nautical astronomy series ))".
• Adding a wildcard symbol may retrieve word variants: (( the patrick mouse practical astronomy series ) or ( the ((patrick mons) OR (patrick bond)) nautical astronomy series ))*.