Possible Clues:

• Poet related terrible back pain in Herts town
• At sea later, we dream about a Lake Poet
• Poet having to adjust, badly lamed in battle against English
• Writer alarmed, we suspect, about change
• Poet to reshape medal damaged in Herts town
• Poet's wife to change state - wife becoming male
• Writer for children could also make a mater well-read
• Number of days that Rose Macaulay wrote in nineteen hundred and nineteen
• English poet and novelist, author of 'Peacock Pie'