This isn't something new, it is just their latest. Note that the author has been doing it since 1982.

Nutcracker Publishing Company is unveiling the cover of its upcoming children's picture book about nuclear power plants.
Nuclear Power: How a Nuclear Power Plant Really Works! by Amelia Frahm, is the first children's picture book that offers a creative, yet realistic look at nuclear power, and is not anti-nuclear.
"What a joy, to realize that now kids can learn the basic facts about nuclear energy without first being scared witless"…a portion of the recommendation written by renown nuclear expert, Dr. Theodore Rockwell
Amongst her publishing colleagues, bored yawns and bewildered glances were the typical responses author Amelia Frahm encountered when she announced her next children's book was about nuclear power plants.
The Fukushima nuclear accident in Japan changed that perception, and now Nutcracker Publishing is rushing to have advance copies of the book available by June 2011.... http://www.expertclick.com/NewsReleaseWire/Nuclear_Power_Unveiling_the_Cover_and_Enlightening_Children,201136176.aspx