First up is a new book by Rob Cornes entitled "The Loch Ness Sea Lion". Rob is the author of the larger work, "The Seal Serpent", but here he focuses on a more conventional theory in which he argues that an itinerant sea lion was responsible for some sightings since 1933. The cover showing the Arthur Grant episode shows you that this may well be involved in the book. I have a copy and will review it in the near future. The book can be purchased from amazon.com.
I would also like to draw readers' attention to a biography of the late Erik Beckjord written by Molly Squire and entitled "Beckjord: Biography of a Cryptozoologist". Some may be aware of Erik's involvement in the hunt for the Loch Ness Monster in the 1980s and his assertion that Tim Dinsdale was a Nessie paranormalist, just like him. Perhaps the book will also have something new to say about his film taken at the loch in 1983. I covered a few items on him in the past, which you can find here and here. The promotional text of the book says:
Biography of Bigfoot and anomaly researcher. Adventures of Jon Erik
Beckjord, MBA, in woods, on Indian Reservations, Area 51, in the United
Kingdom at sites of Crop Circles, at Loch Ness, with analysis of
material evidence and 35 photos in text.
The book can be purchased here.
The author can be contacted at lochnesskelpie@gmail.com