[ATDrake]

If you happen to garden/farm and/or have an interest in nature appreciation/exploration, there are a whole bunch of sale titles from Algonquin Books and Storey Publishing @ $1.99-$2.99 each, and some from Open Road Media at the $2.99 and up mark, including some pieces by the late environmentalist Rachel Carson (Wikipedia), which are all couponable @ Kobo and likely price-matched in the standard Canada & US stores.

Algonquin Books has about a page-and-a-half of $1.99 non-fiction sale titles (mixed in with some of their literary fiction) including:

• Flower Confidential: The Good The Bad And The Beautiful by Amy Stewart (Wikipedia), a behind-the-scenes new-technology-exploring look at the commercial flower industry to cultivate bigger, brighter, and better-selling blooms
• The Birds of Pandemonium by Michele Raffin (Wikipedia), a book about the efforts to conserve endangered birds at her non-profit bird sanctuary and various heartwarming encounters with the birds living there
• and a few discovering-joy-through-returning-to-the-land sorts of memoirs and other titles: linkage for the rest of them @ Kobo

Storey Publishing, a specialty DIY imprint, has 13 titles, mostly @ $2.99 about backyard gardening & homesteading, picking the best tomatoes and what to do with them, horse-training, and crafts like crochet: linkage for the lot @ Kobo

There are also additional couponable titles @ Kobo's Long Weekend sale, where you'll find the Open Road sale books, as well as many more (including a bunch of hockey and Canadian history/wilderness titles @ $3.99-$4.99): Save up to 70% of Non-Fiction! [sic]