Perhaps you should try some spelling variations:
practical astronomy » optical astronomy, positional astronomy
natural astronomy » natural autonomy, nature astronomy, cultural 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
logs nautical » nos nautical, hoc nautical, some nautical
patrick mons » patrick moyes, patrick bond, patrick mpondo
mons natural » pons natural, towns natural, coins natural
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 mons natural 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 mons natural astronomy series ) or ( the patrick logs nautical astronomy series ))))*.