Download or read book Sightings written by Brenda Peterson and published by National Geographic. This book was released on 2002 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this powerful collection of "Sightings, " award-winning Native American author Hogan teams up with acclaimed novelist Peterson to document the serene beauty, mystery, and controversy surrounding gray whales as they migrate from Alaska to Mexico. 16-page full-color photo insert.