Book 41

Rollo on the Atlantic

by Jacob Abbott

Published 26 November 2007

Book 42

Rollo on the Rhine

by Jacob Abbott

Published 11 January 2008

Book 43

Rollo's Experiments

by Jacob Abbott

Published 13 September 2007

Book 44

Rollo´s Museum

by Jacob Abbott

Published 1 November 2008

Book 45

Rollo's Philosophy

by Jacob Abbott

Published 9 May 2008

Book 46

Makers of History Romulus

by Jacob Abbott

Published 22 August 2019

Book 47

Stuyvesant

by Jacob Abbott

Published 21 August 2009

Book 48

The Teacher

by Jacob Abbott

Published 1 November 2004

Book 49


Book 50

Makers of History, Xerxes

by Jacob Abbott

Published 27 September 2010