That's It by Hermes

Across     1    Thematic (11)     7    Become a passion (3)     9    Fifty cents for a polka dot squiggle (9)     10    He inherits around half of what belongs to them (5)     11    First man at sea first observed first man on land (10)     12    Tend to look back (4)     13    Stored date, saved revision, ran to verify (4-6)     15    Agile chap missing a hobby (4)     17    He has a day away mid-week (4)     18    Plant bogus numbers on phone company (4,6)     21    Thematic (4)     22    Forces one to enter one more confrontation (4,2,4)     26    Usually be first under duvet (5)     27    Seems likely to pursue benevolent inheritance gift (4,5)     28    Say anything for a quiet life (3)     29    Josh measures flyers (11)

Down     1    Muster a growing family (5)     2    Thematic (5)     3    Silence between intervals inside the enclosure (8)     4    They are exposed as driven, dull and angry folk (7)     5    Point of view (7)     6    Back x time = pure (4)     7    Messing around end up nowhere in consequence (9)     8    Well may store water it slowly transpires (9)     13    Mix a colorant that's a pass for blood and nerve tissue (4,5)     14    Make sour tasting drug acceptable over time (9)     16    Thematic (8)     19    Longing for lost partnership causes pain (7)     20    Often appears before cutting the grass (4,3)     23    Diazo the elusive compound found within Krypton (5)     24    Increases less! (5)     25    Sometime fashionable bridge game since lost (4)

To enter this competition, send your entry as an image or in list format, to derekharrison@yahoo.com before the 8th September 2011. The first  correct entry drawn from the hat will receive a copy of Armchair Crosswords: A Book for Leisure Moments, which has been donated by The Crossword Centre