Intermediate to in-depth: Ms Hakim’s Story of Science,
Gribbin’s The Scientists,
Asimov’s Chronology of Science and History,
Cyril Aydon’s A Book of Scientific Curiosities,
Bill Bryson’s A Short History of Nearly Everything
Less in-depth, lots of pictures/ illustrations: Simon Singh et al’s The Science Book,
Gillian Clements’ The Picture History of Great Inventors,
and The Story of Science by Anna Claybourne, Jane Chisholm, and Adam Larkum.