I have used several books for my research including the following:
Gerald Durrell, The Aye Aye and I
Richard Zacks, The Pirate Hunter - The True Story of Captain Kidd
David Cordingley, Life Among the Pirates - The Romance and the Reality
Lonely Planet - Madagascar
Madagascar, Mayotte & Comoros - travellers survival kit - by James & Dean Penrith
Madagascar Wildlife: A Vistor's Guide (Bradt Travel Guide)

Books for children that I would recommend include:
Pirateology: The Pirate Hunter's Companion by William Captain Lubber
Hoot and Flush by Carl Hiaasen
Time stops for no Mouse, The Sands of Time, No Time like Showtime and Time to Smell the Roses by Michael Hoeye
Millions and Framed by Frank Cottrell Boyce
Journey to the River Sea, The Star of Kazan and The Secret Countess by Eva Ibottson
Silverfin, Blood Fever, Double or Die and Hurricane Gold (Young James Bond) by Charlie Higson
The Devil's Breath (The Danger Zone) by David Gilman
The Boy in the Striped Pyjamas by John Boyne
Private Peaceful by Michael Morpurgo

Satellite image of dust storm (Neodass)

And childhood favourites:
James and the Giant Peach by Roald Dahl
The Enchanted Wood, Faraway Tree and the folk of the Faraway Tree by Enid Blyton and Famous Five and the Five Find Outers & Dog series

You may like to visit the following sites related to books:
www.amazon.co.uk
www.puffin.co.uk
www.panmacmillan.com
www.michaelmorpurgo.org
www.youngbond.com
www.hermux.com  michael hoeye
www.davidgilman.blogspot.com