On air-drying books using a portable fan…
Books that are half wet have the best result when air-dried. Fan books open and stand on top or bottom edge; never stand them on the front edge. Stand books on driest edge first as it is the strongest. As the book dries, turn it upside-down to the opposite edge every few hours.
Other items, such as photos, negatives, and documents, can simply be hung up to dry on a clothesline:
How To Salvage Videos
Preservation Australia, a museum conservation and preservation services company, has posted a series of YouTube videos that demonstrate a number of techniques for salvaging water damaged materials, such as books, documents, photographs, and even textiles.
Here’s the step-by-step video entitled, Salvage of Water Damaged Books:
and its sequel, Air Drying Techniques for Water Damaged Books:
Hopefully, you’ll never need to perform these tasks, but if you do, there are plenty of resources for you to use.