Howard Hayes Scullard (1903-1983) was a professor of ancient history at King's College, London. He edited the "Oxford Classical Dictionary" and "Atlas of the Classical World", as well as writing texts on Roman history, the festivals of Rome, the Etruscans, and Roman Britain.
In "A History of the Roman World 753 to 146 B.C.," H.H. Scullard looks at critical events in Roman history from the beginning of the Republic through the Punic Wars. Also chapters on Roman life and culture.
If you want to know what the ancient Romans celebrated on each day of the year, this is the book for you. Scullard explains the abbreviations on the "fasti" (festival calendar) and explains the origins of celebrations.
"From the Gracchi to Nero: A History of Rome from 133 B.C. to A.D. 68" is a standard text on the period of the Roman Revolution through the Julio-Claudian emperors. Scullard looks at the Gracchi, Marius, Pompey, Sulla, Caesar and the expanding empire.
Scullard looks at the mysteries of the Etruscans, the dominant power before Rome, in the Italic peninsula.
H.H. Scullard looks at Roman Britain using classical scholarship and archaeology -- for the general reader.