Possible Clues:

• Dealing with letters, exhausted without wife to hold arm
• Like Mary Shelley's "Frankenstein"
• Novel style of energy weapon — disintegrating ray
• An ____ novel is a series of documents, especially letters
• Such a novel could produce pence in miserable royalties
• Relating to letters, early post sorted around one
• English piece having advanced lines in the form of letters
• Like pen pals' relationships
• 45 royalist nuts devoted to 20s
• Dealing with letters, tired without wife to hold arm