BookTrendSpy
Cover of Cosmos by Carl Sagan & Ann Druyan

Cosmos

  • Astronomy
  • Ebook
  • Released 12 October 1980
  • ISBN 9780307800985

Is Cosmos popular right now?

Yes. Today Cosmos is on the Apple Books top 100 ebook chart in 1 country, highest at #38 in Portugal. Its best position so far was #38 in Portugal on 4 November 2026. BookTrendSpy has seen it on the charts on 1 day since 4 November 2026. World Index score today: 0.6.

Prices and availability are set by each store.

Countries today
1
Best today
#38 Portugal
Peak
#38 Portugal
Days on charts
1
World Index
0.6

World Index points by day

Last 1 days

00.514 Nov
Sum of chart points across all countries each day. Gaps at zero mean the book was off every chart.

Chart position by country

#1#10#254 Nov
  • Portugal

Every chart it has appeared on

CountryChartTodayBestDaysFirst seen
PortugalTop paid ebooks #38#3814 Nov 2026

Covers the last 90 days of charts.

More by Carl Sagan & Ann Druyan

Author page