Frohlich - Formal Groups - New paperback or softback - X555z

Segal - Polycyclic Groups - New paperback or softback - X555z

Kadmon - Formal Prgmatics P - New paperback or softback - X555z

Johnson - Presentations of Groups - New paperback or softback - X555z

Lano - Formal Object-Oriented Development - New paperback or softback - X555z

Sharp - Steps in Commutative Algebra - New paperback or softback - X555z

Avramov - Trends in Commutative Algebra - New paperback or softback - - X555z

Knight - Commutative Algebra - New paperback or softback - 17 - X555z