Author Mike Katko chats with local fans, from left, Barbara Barber, Susan McCloskey and Jenn Neil at the launching event Sunday afternoon at Fuller Lodge for Katko’s book ‘Big Medicine Sweet Water’. Photo by Maire O’Neill/losalamosreporter.com

Elizabeth Von Hohen Brosha plays the harp at the book launching Sunday afternoon at Fuller Lodge. Photo by Maire O’Neill/losalamosreporter.com

Lorraine Whalen, left, and Megan Lee came to Mike Katko’s book signing event Sunday afternoon. Photo by Maire O’Neill/losalamosreporter.com

Russ and Gene Mortensen were among those who showed up Sunday afternoon for Mike Katko’s booksigning event. Photo by Maire O’Neill/losalamosreporter.com

Los Alamos Historical Society executive director Todd Nichols, left, introduces local author Mike Katko at an event Sunday afternoon launching his book ‘Big Medicine Pretty Water’. Photo by Maire O’Neill/losalamosreporter.com

Local author Mike Katko gives a talk on local history and how it relates to the characters in his book ‘Big Medicine Pretty Water’ during a booksigning event Sunday afternoon. Photo by Maire O’Neill/losalamosreporter.com

A group of supporters of Mike Katko at Sunday afternoon’s book launching at Fuller Lodge. Photo by Maire O’Neill/losalamosreporter.com

Mike Katko signs a copy of his book Sunday afternoon at Fuller Lodge. Photo by Maire O’Neill/losalamosreporter.com

A large crowd gathers at Fuller Lodge for the launching of Mike Katko’s book ‘Big Medicine Pretty Water’. Photo by Maire O’Neill/losalamosreporter.com