Spread Certificate · No. HIS-00393
This certifies how far it spread
Mog’s Christmas Calamity
Sainsbury’s; Judith Kerr; HarperCollins Children’s Books ·November 2015 ·seeded onYouTubethenPressTVOpen webRetailFacebook
Spread Score
39
Niche
Verified independently
Verified
382K sold
Nielsen book sales in Guardian’s late-2015 table
The Guardian / Nielsen BookScan
Verified
#1
UK overall weekly book chart
The Guardian
Verified
1 day
Seed to peak, Nov 12 to Nov 13
Verified
6 platforms
Started on YouTube
Claimed, not audited
Claimed
11.5M impressions
TV launch audience, agency campaign account
Per Thinkbox
Claimed
450K sold
Book campaign total, agency account published in 2016
Per Thinkbox
Claimed
37M
Approx. online views, owner total; platforms and paid mixed
Per J Sainsbury plc / RNS via Investegate