Bargain @ $2.99 for Canadians from HarperCollins (should be available in all the stores; this is the Kobo Deal of the Day in the Canadian store, and it's the same price at iTunes Canada and Google Play when I check, but $19.99 in the US):
Kim Harrison Bundle #1 by Kim Harrison (
ISFDB,
Wikipedia), an omnibus edition of novels #1-4 in her popular The Hollows paranormal urban action fantasy series starring bounty hunting witch Rachel Morgan.
We've previously gotten #1 in the series as a freebie several times in the past, and this is a really good price if you want to continue with the series. Since this is a multi-store promo, it'll probably last a bit longer than Kobo's Deal of the Day limit (9 PM Pacific Time, more or less), but HC sale price-drops in Canada tend to be very short-lived, so if you're undecided, you should probably make up your mind pretty soon (even excluding the prior freebie-ization of #1, it does work out to just $1 per book). ETA: the individuals cost ~ $9 CAD each (non-couponable) and the further bundles in the series are at the $28 mark.
Get the first four novels in Kim Harrison's #1 New York Times bestselling Hollows series as one e-book! This bundle includes Dead Witch Walking, The Good, the Bad, and the Undead, Every Which Way But Dead, and A Fistful of Charms. Discover this great series at a special price! (synopses for the included individual novels are in the full blurb)