en

The monthly sky guide

Ian Ridpath · 1987

63 pages · ~2h read

non-fiction · science

en

Stars and Planets (Princeton Field Guides)

Ian Ridpath · 1986

400 pages · ~10h read

science

en

Stars and Planets (Smithsonian Handbooks)

Ian Ridpath · 1978

224 pages · ~6h read

children · science