- - New paperback or softback - X555z

Manders - Utterly Concealed - New paperback or softback - X555z

Burrus - Anticipatory Organization - New paperback or softback - X555z

Dellhurst - Concealed Charades - New paperback or softback - X555z

Westland - Badly Hidden - New paperback or softback - X555z

Nery - Concealed Identities - New paperback or softback - X555z

Snelgrove - Hidden Meanings - New paperback or softback - X555z

Burrus - Son of a Sandstorm - New paperback or softback - X555z