THE JERUSALEM POST DAILY BRAIN TEASERS

Across

1 Around French friend, unique item of lingerie (8) 5 Endeavour, perhaps, to get an A for each English subject (6) 10 Islander at sea with his boat is fabled mariner (6,3,6) 11 Weighty individual not totally awake (7) 12 Embracing Northern chapter, leave terribly isolated territory (7) 13 Foreign noble prisoner turned over valuable item (8) 15 Measures quadrangles (5) 18 Regarded slice of marmalade tart on the counter (5) 20 Greek island storing oil, primarily as preservative (8) 23 Particular motor fuel developed (7) 25 Present left on ship beside fish (7) 26 Printed one introduction to novel with Shades of Grey formula? (2,5,3,5) 27 New hip, yet ghastly figure (6) 28 Garment’s stiff material beginning to itch and irritate back (8)

Down

1 Dilapidated cart’s bearing old wheel (6) 2 Fellow on leave is climber (9) 3 Play about Eastern area, somewhere like Shanghai (7) 4 Item for sale, American plant (5) 6 Chaos having refurbished ranch within a year (7) 7 Regularly used staple’s a condiment (5) 8 Heard what one needs to start Swiss charity (8) 9 Teenager changed form (8) 14 Rocky UK isle contains church of that kind (8) 16 Bringing back wartime code‑breaker around November to support soldiers (9) 17 Bit familiar, being discontented with director’s instruction (8) 19 Bold of French automotive firm to acquire centre in Afghanistan (7) 21 Wound stung (7) 22 Wife nervy about monster (6) 24 Superhero’s sidekick not finished dressing (5) 25 Animal, according to Cockney, slept upside‑down (5)