. "You're smarter than you think : at least 500 fun ways to expand your own intelligence"@en . "You're smarter than you think : at least 500 fun ways to expand your own intelligence" . . . "Intelligence isn't something you're born with--it's something you can develop and increase, with the right training, and it should be fun. This book is the \"perfect guide to increasing your intelligence and your enjoyment of new intellectual and creative challenges.\"" . . . . . . . . . . . . . .