Animal psychology : mechanisms and adaptations
Science : as seen through the development of scientific instrument
Pengajaran sains berdasarkan cara kerja otak : Kumpulan gagasan aktivitas sains bagi siswa usia 5 - 14 tahun
The elements of physical chemistry
Cell and molecular biology : concepts and experiments
The origin of species : by means of natural selection or the preservation of favoured races in the struggle for life
Astronomy : the cosmic journey
Pengelolaaan Laboratorium IPA Sekolah
Evolusi ruhani : kritik perenialis atas teori Darwin
Pengantar analisis matematika