Books > Science & Nature > Biological Sciences > Hydrobiology  

Monthly median sales (top 30)
£547
  The median book price
£9.77
Bestseller's daily sales
7
50th book's daily sales
1
Average number of pages per book
277
Monopoly/Olygopoly detected
No

Performance tracking

Competitiveness
Volume sales
Book price
Volatility
New releases
Self published

Matching KDP categories

nonfiction > science > life sciences > bacteriology
56.25%
nonfiction > science > life sciences > general
50.0%
juvenile > nonfiction > science & nature > general
50.0%

Best selling keywords  

Median title & subtitle length is 12 words:

  • Other Minds: The Octopus and the Evolution of Intelligent Life
  • Knit a Mini Ocean: 20 tiny sea creatures to knit
  • British Trees: A photographic guide to every common species (Collins Complete Guide)
  • i-SPY At the Seaside: Spy it! Score it! (Collins Michelin i-SPY Guides)
  • The Perfect Aquarium: The Complete Guide to Setting Up and Maintaining an Aquarium
  • Indie success
  • 0%
  • Volatility
  • 95%
  • New releases
  • 10%
  • KDP Select
  • 3.57%

Extract of the best seller list's front page

#1,779

kindle best category lists

>Peter Godfrey-Smith

 5407

#5,565

kindle best category lists

>Sachiyo Ishii

 35

#5,961

kindle best category lists

>Paul Sterry

 1435

#20,027

kindle best category lists

>Helen Scales

 16

#20,745

kindle best category lists

>Creative Coloring

 512

#23,593

kindle best category lists

>Rod Preston-Mafham

 275

Front-page bestsellers:

  Book title Author Publisher Absolute rank Monthly sales volume Price Amazon stars Amazon reviews
1   Other Minds: The Octopus and the Evolution of Intelligent Life Peter Godfrey-Smith William Collins 1,779 £443 £0.99 5,407
2   Knit a Mini Ocean: 20 tiny sea creatures to knit Sachiyo Ishii Search Press 5,565 £224 £2.00 35
3   British Trees: A photographic guide to every common species (Collins Complete Guide) Paul Sterry Collins; New edition 5,961 £1,700 £15.18 1,435
4   i-SPY At the Seaside: Spy it! Score it! (Collins Michelin i-SPY Guides) i-SPY Collins 6,074 £392 £3.50 496
5   The Perfect Aquarium: The Complete Guide to Setting Up and Maintaining an Aquarium Jeremy Gay Hamlyn; UK ed. edition 6,684 £1,223 £14.56 842
6   British Wild Flowers: A photographic guide to every common species (Collins Complete Guide) Paul Sterry Collins; New edition 8,644 £1,138 £13.55 635
7   Dark, Salt, Clear: Life in a Cornish Fishing Town Lamorna Ash Bloomsbury Publishing 9,020 £755 £8.99 605
8   The Ocean's Menagerie: How Earth's Strangest Creatures Reshape the Rules of Life Drew Harvell Bodley Head 9,775 £1,367 £16.28 2
9   Lost Ocean: An Inky Adventure & Colouring Book Johanna Basford Virgin Books; 4th edition 12,033 £714 £12.76 2,866
10   RHS How to Create a Wildlife Pond: Plan, Dig, and Enjoy a Natural Pond in Your Own Back Garden Kate Bradbury DK 12,330 £699 £12.49 203
11   Blue Machine: How the Ocean Shapes Our World Helen Czerski Penguin; Heruitgave edition 12,854 £562 £10.05 643
12   How We Fish: The book from the brains behind the hit TV series GONE FISHING, with a Foreword by Bob Mortimer Paul Whitehouse Mudlark; 1st edition 12,904 £390 £6.98 393
13   The Shell Spotter’s Guide: Every shell has a story to tell. Discover the secrets of these treasures of the sea (National Trust) Helen Scales National Trust Books 14,716 £523 £9.34 84
14   Sea Soul Journeys Oracle Cards: A 48 Card Deck with Guidebook - Connect with the Healing Power of the Ocean Pippa Best Welbeck Balance 15,555 £981 £17.53 782
15   Ocean: A Photicular Book Dan Kainen Workman Adult; 1st edition 17,183 £952 £17.00 1,439

Recurrent ideas in the top 30 books: