51
book shelf
Worth a lookShows a fragmented shelf (top 5 take 21% of clicks), but weak search conversion (0.2%) keeps it on the watch list.
Competition
Great21%top-5 click share — an open shelf
Brand share
Great43%top-5 brand share — no brand owns this niche
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Market size
Good$288K$288K/yr · 641K searches
Avg price
Okay$187.14avg listing price — sweet spot $15–$100
Returns
Okay4.1%return rate — above 5% kills the launch gate
Growth
Bad-4.9%90-day search growth — must beat 0% to launch
Review moat
Bad7,952.8avg incumbent reviews — the moat a new listing must climb
Price range
Bad$23.74–$584.98cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.2%search→purchase rate — share of searches ending in a sale