Most DVDs are not worth watching ,if you watch Mid west crappie , Russ have some worth watching,but most just want to show you how many they can catch and no time left to show you how,why they were in that spot,nor time of year,depth ,and many other factors, some of your best information will be your local states on Crappie . com .you need information on lakes that are like yours,like if yours is a shallow lake than find information on that type of lake for a deep lake may have a different set of rules,some information will be helpful from any lake