8 books • 7 series
Book #20: Moldova
Book #20: Guyana
Book #21: Cameroon
Book #21: Grenada
Book #22: Bhutan
Book #6: Nigeria
Book #7: Ireland
Book #8: Switzerland
Book #8: Hungary
Book #8: Romania
Book #4: Austria
Book #6: Zimbabwe
Book #7: Canada
Book #7: Jamaica
Book #12: Tibet
Book #12: Panama
Book #13: Bulgaria
