Book 21

Mary Erskine

by Jacob Abbott

Published 1 May 2005

Book 22


Book 23

Makers of History Nero

by Jacob Abbott

Published 16 August 2019

Book 24


Book 25

Makers of History Pyrrhus

by Jacob Abbott

Published 12 April 2016

Book 26


Book 27

Makers of History Richard I

by Jacob Abbott

Published 10 October 2017

Book 28


Book 29


Book 30


Book 31

Rollo at Work

by Jacob Abbott

Published 23 December 2009

Book 32

Rollo in Geneva

by Jacob Abbott

Published 29 August 2007

Book 33

Rollo in Holland

by Jacob Abbott

Published 29 August 2007

Book 34

Rollo in London

by Jacob Abbott

Published 1 June 2008

Book 35

Rollo in Naples

by John Andrew and Jacob Abbott

Published 1 July 2008

Book 36

Rollo in Paris

by Jacob Abbott

Published 1 March 2008

Book 37

Rollo in Rome

by Jacob Abbott

Published 18 March 2008

Book 38

Rollo in Scotland

by Jacob Abbott

Published 1 September 2008

Book 39

Rollo in Switzerland

by Jacob Abbott

Published 11 January 2008

Book 40

Rollo in the Woods

by Jacob Abbott

Published 11 March 2012