Possible Clues:

• Contents in compound covers large landmasses
• Chapters covering fashionable places such as North and South America
• Happy lass finally touring in Africa and Asia, say
• List of chapters covering fashionable large swathes such as North and South America
• Topic of the mnemonic 'Eat An Apple As A Nighttime Snack'
• Geological seven
• Parts of the world where some might understand self-restraint?
• Some massive land areas
• One form of insurance covers home and vast lands