''The Newlywed's Instruction Manual'' is the perfect follow-up to Bride and Groom and a natural companion to ''The Home Owner's Manual''. And like these fun and informative guides, our latest offering covers all the touchy topics that accompany this uncharted territory, but with hip useful text and cute tech-y illustrations. Covering all the issues and quandaries that arise during the first year of marriage, from finances and home-buying to fights, in-laws, romance, and combining all of your belongings, ''The Newlywed's Instruction Manual'' makes the perfect wedding gift for that starry-eyed couple just embarking on their life together.