Southeas Asia : A Past Regained
Mysteries of the unknown : V. 5.: Witches and witchcraft
Mysteries of the unknown : V.8.: Time and space
Mysteries of the unknown : V.1. : Magical arts
Mysteries of the unknown : V.2.: Transformations
Mysteries of the unknown : V.3: Hauntings
Mysteries of the unknown : V.4.: Powers of healing
Understanding computers : V.1.: Computer security
Understanding computers : V.2.: Computer languages
Understanding computers : V.3.: Computer basics
Understanding computers : V.4: Computer images
Understanding computers : V.5.: Communications
Understanding computers : V.6.: Software
Understanding computers : V.7.: Artificial intelligence
Understanding computers : V.8.: Input output