Lynn Johnston's <I>For Better or For Worse</I> is the world's most popular family strip in which characters evolve through age and experience, rather than remaining frozen in time. Readers appreciate the daily doings of the Patterson family, which often mirror their own.<P>·Senior's Discount: A <I>For Better or For Worse</I> Collection follows John and Elly as retirement looms, Grandpa Jim celebrates his 85th birthday and suffers a stroke, Mike and Deanna adjust to the demands of parenthood, Elizabeth accepts a teaching position that brings her back home, and April strains for more and more independence. <P>·Simultaneous to the publication of this collection, Johnston makes an unprecedented move within the newspaper cartooning community—developing a new format by using former plot lines as a jumping-off point for new ones. <I><P>For Better or For Worse</I> has been syndicated since 1979 and has been named Best Syndicated Comic Strip. The strip boasts a lively Web presence at