1. land not sea I suspect (7) ?s???i?
2. wager about a pound (4) ??a?
3. his Excellency and press chief pay attention (4) h?e? (heed!)
4. a stupid person returning is unapproachable (5) a??f
5. circle on chart is a trademark (4) ?o?o (logo !)
6. cancel book not authors first (5) a?n?l