It's probably a good idea to ensure that any html link you want people linking to is shorter than 80 characters, queryString included. In "old school" formats, including even email, this is bad (received in an email reviewing programming books):

ASP.NET 2.0 Revealed
By Patrick Lorenz
Published by APress

Luckily for whatever reason just the first "line" of that URL still gets you to the right place in Amazon, kinda like 1-800-THIS-IS-TOO-LONG still gets you to 1-800-844-7478 (whatever that phones), so kudos to them. Their Mail Order Monster is on the way.