I have seen the 2005 GT Portfolio book (15" x 7 3/4" with black cover) on eBay from time-to-time. They go for $100 - $200.
The cardboard outer shipping sleeve of mine says:
2005 GT PORTFOLIO
TO REORDER THIS ITEM, PLEASE GO TO:
WWW.DEALERESTORE.COM
ITEM # 05GTPORT
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