Imperial CrimeaGreg King, Coryne Hall, Penny Wilson, Sue Woolmans · First published 2017Open the Tome
Design Characteristics of a Space Elevator Earth PortJr Robert E. 'Skip' Penny, Vern Hall, Peter N. Glaskowsky · First published 2016Open the Tome
Field Guide to Birds of the Pacific NorthwestTony Greenfield, Penny Hall · First published 2013Open the Tome
A green manifesto for the 1990sPenny Kemp, Derek Hall, Derek Wall · First published 1990Open the Tome
Admission to Residential CarePaul Brearley, Gwyneth Roberts, Penny Gutridge, Frank Hall, Glenys Jones · First published 1980Open the Tome
