You can purchase the book “The Ins and Outs of Human Sexuality” at Amazon in the following countries (and others).

🇦🇺	Australia
🇧🇪	Belgium (Belgique)
🇧🇷	Brazil (Brasil)
🇨🇦	Canada
🇭🇷	Croatia (Hrvatska)
🇨🇿	Czechia (Česko)
🇩🇰	Denmark (Danmark)
🇫🇷	France
🇭🇰	Hong Kong (香港)
🇭🇺	Hungary (Magyarország)
🇮🇳	India (भारत)
🇮🇩	Indonesia
🇮🇪	Ireland
🇮🇹	Italy (Italia)
🇯🇵	Japan (日本)
🇲🇽	Mexico (México)
🇳🇱	Netherlands (Nederland)
🇳🇿	New Zealand
🇳🇴	Norway (Norge)
🇵🇭	Philippines (Pilipinas)
🇵🇱	Poland (Polska)
🇵🇹	Portugal
🇷🇴	Romania (România)
🇸🇬	Singapore (Singapura)
🇸🇰	Slovakia (Slovensko)
🇿🇦	South Africa (Suid-Afrika)
🇪🇸	Spain (España)
🇸🇪	Sweden (Sverige)
🇨🇭	Switzerland (Schweiz)
🇹🇼	Taiwan (台湾)
🇹🇭	Thailand (ประเทศไทย)
🇹🇷	Türkiye
🇬🇧	United Kingdom
🇺🇸	United States of America
🇻🇳	Vietnam (Việt Nam)

🌏 Also available in various other countries.