Book of the Month YA Coupon: Frankly in Love by David Yoon For Just $9.99! Posted by Hello Subscription on September 10, 2019. Subscription Box Coupons & Deals / Book Of The Month YA Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Book of the Month YA has a new sale! Get your first book for $9.99 when you use code GROW at checkout! Use this coupon to grab David Yoon‘s Frankly in Love (one of Fall 2019’s biggest YA book), which is launching today! See all our Book of the Month YA reviews to find out more about this subscription! Visit Book of the Month Club YA to subscribe!