18 across ?????? ??? 6 and 3 Endeavour put in here to get lad astride brown horse. 1 across ????? ?????? 5 and 6 Girl joins boat - after pitching it rolls.
Clue "Epoch misrepresented in one epic about the French" 9 letters P?e?o?e?? and 17 across "Do please get in touch for a wee bit of a chat" 7 letters P?o?e??