Wicket in Action is today's "Deal of the Day" over at my publisher, Manning. Use the promo code dotd0503 for a 50% discount on your purchase of Wicket in Action.
Use promo code m240 to get a 40% discount for all purchases through Manning, for example JQuery in Action to prepare for Wicket 6, or Secrets of the JavaScript Ninja.
The discounts are mutually exclusive, so you can't have the cake and eat it too, but fortunately it brings in some serious savings! Go ahead and take a look at the Manning website and get those books you always wanted, but were afraid to buy!