For a limited time, there are 25 free "First in a Series" ebooks on iTunes Stores.
Click on the First in a Series banner on the Books tab for the full list.
Only time will tell – Jeffrey Archer, 400 pages, published Mar 1, 2011.
https://itunes.apple.com/au/book/only-time-will-tell-clifton…
First daughter – Eric Van Lustbader, 432 pages, published Dec 6, 2012.
https://itunes.apple.com/au/book/first-daughter/id567290702?…
Cold Granite – Stuart Macbride, 464 pages, published May 03, 2005.
https://itunes.apple.com/au/book/cold-granite/id375033504?mt…
Across the Nightingale Floor, 384 pages, published May 11, 2014.
https://itunes.apple.com/au/book/across-the-nightingale-floo…
White Tiger – Kylie Chan, 576 pages, published Feb 01, 2010.
https://itunes.apple.com/au/book/white-tiger/id400459147?mt=…
Plus 20 more books.
The Kindle version of the Jeffrey Archer book is also available for free, for those Kindle users out there.