Related Clues:

• Capable of generating heat
• Blue, in a sense
• Bordering on pornographic
• Stirring, in a way
• Spicy, in a way
• Like some thrillers
• Meant to turn on
• Like steamy prose
• Risqué
• Sizzling, so to speak
• A little blue
• A bit off-color
• Rated X
• Hot and heavy
• Provocative, in a way