In this study on deduction, the authors argue that people reason by imagining the relevant state of affairs, ie building an internal model of it, formulating a tentative conclusion based on this model and then searching for alternative models that might refute the conclusion.

Twelve-year-old Ellen's loathing for her new baby brother Barry, who has cerebral palsy, gradually changes to a fierce, obsessive love, and she must find a proper balance for her life.

The history of the Wisconsin Dells area is as unique as its glacier-sculpted landscape. It has been a gathering place for tribal councils, a vacation spot for enthralled tourists and a stopping point for the raftsmen who might have had a little too much of the "Devil's Eyewater" brewed by pioneer Robert Allen. Local expert Ross M. Curry has been chronicling the region, from Baraboo to Lyndon, for almost sixty years. Join him for those chapters of the area's story that he himself has witnessed, and then follow him as he hikes back to a time before the Kilbourn Dam, when towns were lit by gaslight, justice might be enforced by duels or "necktie parties" and hardships had to be outlasted by tightknit families with unshakable faith and their own butter churns.