For visitors who have not dealt with me (Biofos Publications) before, it might be reassuring to know I have hundreds of satisfied customers. Here is genuine testimony straight from their emails.

"Book arrived safe and sound. What can I say. For Pen Collectors this is truly, the Holy Grail." Maurice Kondo, Hawai.

"Just a note to let you know that the book arrived safe and sound on Monday. It's a fascinating read - thank you very much. Regards, Will Green, Japan."

"I have received the goods, it is even better than described, thanks." Mark Brown, USA..

"Surely this is the Pen book of all time. Such depth and detail. It makes for some very worthwhile reading. Thanks for the trouble you went to in writing this splendid work." J Codey, USA.

"Book arrived today in excellent condition. Thanks. The book is a real pleasure to read, and my only regret is that it's not twice the size including the Pen F series!" Francois, United Kingdom.

"John, Thanks for taking the trouble to send such a useful reply." Les H, United Kingdom.

"I cannot sleep every night because of your great book! I am sleepy everyday! S. Houkibara, Japan.

"I appreciate the integrity with which you work in camera dealings, it's a pleasant change and I will recommend Biofos Publications if asked for this reason." Chris S. United Kingdom.

"I received the Olympus Pen book in good shape. Thank-you! I wish I had thought to ask you to autograph it." Bob Kling, USA.

"The book has arrived and it is excellent! Thanks!!" Wally Peters, USA.

"Impressive! You spent serious effort researching. From what I've read so far it is apparent that it is very well written. I bet many other folks would like a copy. Do you mind if I mention it on my camera web page?" Henry Taber, USA.

"I received your book today, thank you. Quickly glancing through it, I was amazed at the data and very impressed with the design of the front hard cover...all the different pens... I'll be in touch shortly and once again, thank you, Richard." R. Rossy, Canada.

"I have just received your book... It is really superb and makes very well. Bravo, a thousand times bravo!" JP Francesch, France.

"I just received your book. First impressions: it looks great! Wealthy source of information, nice pictures. I know I'm going to enjoy this book. Thanks." H van L, Netherlands.

"Thanks for the rapid despatch of the book, which arrived this morning. I've had a preliminary read, and I'm most impressed. I look forward to a more leisurely study of it later." M. Hessey, United Kingdom.