Sharath - Existence - New paperback or softback - X555z

Bond - Paradox Existence Unveiled - New paperback or softback - X555z

Zotalis - Mysterious Existence - New paperback or softback - X555z

Kuefler - Rational Existence - New paperback or softback - X555z

Simons - Altered Existence - New paperback or softback - X555z

Benefiel - Verbalizing Existence - New paperback or softback - X555z

Smith - Binary Existence - New paperback or softback - X555z

Letizia - Battle for Existence - New paperback or softback - X555z