Birds and Animals of Australia's Top End Darwin, Kakadu, Katherine, and Kununurra Leseberg Nick Heftet / 2015 / Engelsk
Habitats of Africa A Field Guide for Birders, Naturalists, and Ecologists Behrens Ken Heftet / 2025 / Engelsk
Habitats of Europe A Field Guide for Birders, Naturalists, and Ecologists Forbes, Dale Heftet / 2025 / Engelsk
Mac Iain Direach An illustrated heroic quest in Gaelic with English translations Campbell, Iain Heftet / 2023 / Gælisk
Gaun Yersel Moses! A Lighthearted Trip through the Old Testament in Glaswegian Verse White Tom C. Heftet / 2003 / Engelsk
