Wheeled Backpack
High Sierra Carry-On Wheeled Backpack with Removable Daypack - Graphite/Titanium
Its three bags in one! Use it as a wheeled upright, as a backpack or zip off and use the removable daypacks.
Merchant: Bags Buy
Jansport Wheeled Superbreak Backpack
If carrying your gigantic books is literally a pain in the back, carry those things in the JanSport Wheeled SuperBreak Backpacks spacious main compartment.
Merchant: Back Country
Wheeled Super Break (2008 Version)
The classic Superbreak backpack just got some wheels! A great choice for heavy books or light travel, this wheeled backpack also comes in numerous fun & funky patterns - a great way to stand out in the crowd!
Merchant: eBags
Timberland Timber Kids Wheeled Backpack
Roomy main compartment w/net pocket and organizational panel. Push button locking handle. Removable, adjustable, padded backpack straps. Top and side carry handles. In line skate wheels w/ cover. Front zip and velcro pockets. Side pockets on either side.
Merchant: Luggage Online
High Sierra ATQ 3 In 1 27' Wheeled Backpack
Lightweight, durable and versatile, High Sierra's ATQ Adventure Travel gear is perfect for all style of travel. Duffels double as backpacks, wheeled backpacks include built-in day packs, and several models include a protective laptop sleeve.
Merchant: Luggage Pros