Spring must have sprung going into week #28 (April 15-21) of Tablet2Cases’ year-long Free Cases Daily promotion on Facebook, because this week cases in all colors of the rainbow are up for grabs.

The Good Book from Timbuk2 is a unique book tablet case compatible with all Apple tablets including the iPad, iPad 2, and the new iPad. The case features a tablet pouch and a secret compartment containing a stainless steel flask, a stirring spoon, and a shot glass.

Boomerang BookCase from Portenzo is a high-quality book tablet case for the iPad Mini. The case’s inner is handmade from highly durable American maple offering great protective capabilities. Rigid outer cover provides additional impact protection shielding the screen and back of the tablet.

DSquared2 presented iPad Holder – a simple tablet back protector for the iPad 2 and the new iPad featuring a unique design print. The case boasts a bright yellow color, which glows in the dark thanks to its fluorescent qualities. Durable material offers enough protection to keep the tablet safe from bumps and bruises.

Aria from Pad & Quill is a luxurious book tablet case designed to fit the iPad Mini. Handmade from premium, full grain American leather , the case offers exquisite looks and decent protection. The hand finished baltic birch interior wood frame shields the device from bumps and bruises.

The Google Nexus 10 owners are finally able to enjoy the BookCase from Portenzo – a highly popular book tablet case with lots of customization options. Designed to hide and protect the tablet, the case looks and feels like an ordinary book, but combines safety and functionality for any purpose.

Graphique de France launches a collection of affordable book tablet cases compatible with the iPad 2 and the new iPad, simply called TheCover. Available in a range of attractive prints as well as a couple of single-tone, minimalist designs, the case combines good looks with versatile functionality.

Treegloo offers everyone a chance to construct their own custom tablet case for the Apple iPad Mini – Your Case. The customization options include just about everything starting from the frame and the cover color to interior lining and closure type. Naturally, all protective qualities of a book tablet case are present.

iCase Mini from Powis Parker is an attractive book tablet case designed to fit the Apple iPad Mini. Crafted with premium, ultra-durable book cloth fabric and featuring a glossy laminate finish, the case delivers great impact protection in everyday situations.

g.2 Case from GermanMade is a unique book tablet case designed to fit the Apple iPad Mini. Buyers can choose between book linen fabric , faux leather, and genuine leather for the exterior material. Every option delivers durable impact protection. The interior is lined with book linen safeguarding the tablet from scratches.