Book Reader Starts Some Books on Page 2, not Page 1 (in 2 Up View)

[dctdhmtp]

I generated and uploaded four small PDF books exactly the same way.

No problem with these two books:
https://archive.org/details/MexicoByMotorcycle...In1981 (88 pages)
https://archive.org/details/AlaskaYukonCassiarHighwaysAMelancholy1980Ride (94 pages)

But with these two books the viewer starts on page 2 (i.e. not page 1, thus skipping over the front cover unless one goes backwards one page):
https://archive.org/details/AthensToAmsterdamRescuingAVintageBMWMotorcycleIn1991 (26 pages)
https://archive.org/details/BeijingToShanghaiRidingEasternChinaOnBannedBigBikes (74 pages)

I cannot see any difference between the structure of these four books, except that the slightly longer ones display correctly.

[dctdhmtp (dctdhmtp)]

This can be closed, as it is a known issue, described here:

https://archive.org/about/faqs.php#1169 "How do I change the title page in the flip book?"

Our system attempts to detect the title page of a book. The basic criteria is dependent on OCR. It will try to choose the first page with large font size that best matches the title you used for the item page. If that fails it is somewhat random. To change the title page follow these click paths ...