Geography titles more than five years old are misleading and inaccurate and should be pulled. The older the title, the more inaccurate the content will be. Imagine how useless a title published before either of the World Wars CREW: A Weeding Manual for Modern Libraries. www.tsl.state.tx.us/ld/pubs/crew/index.html Texas State Library and Archives Commission Page 36 of 107 is to a student today working on a research paper topic from the 20th century! Although they may be interesting from an historical point of view, books on countries and states are of no value for contemporary social studies projects. 

Science, Medicine, Inventions and other topics that change rapidly should be reviewed and updated every five years. Items more than ten years old should almost always be discarded. As in the adult collection, erroneous information about science, technology or medicine is potentially harmful to the patron who may attempt to follow instructions no longer considered safe.