Foreword: the heart is a muscle
Part I: The long follow (Republic of the Congo)
Part II: the green abyss (Republic of the Congo)
Part III: The end of the line (Gabon)
A country to discover: one signature, 13 new parks (Gabon)
Goualougo and friends: a walk in the deep forest with Jane Goodall (Republic of the Congo)
The megaflyover: Mike Fay goes airborne across Africa (Niger)
The spirit of the wild: Africa has saved what other continents have lost (Pan-Africa)
Family ties: The private lives of Samburu elephants (Kenya)
The long way home: salmon, politics, and sustenance on Russia's Kamchatka Peninsula (Kamchatka, Russia)
Let it be: the splendid isolation of Kronotsky Nature Reserve (Kamchatka, Russia)
The Left Bank ape: What makes bonobos different (Democratic Republic of the Congo)
The short happy life of a Serengeti lion: C-Boy against the odds (Tanzania)
Tooth and claw: for people and lions, living together is the hard part (Tanzania)
Elegy for a lion: the death of C-Boy (Tanzania)
Desperate primates: chimps and people on a ragged landscape (Uganda)
The meaning of north: pristine seas and lonely islands (Franz Josef Land, Russia)
Reservoir of terror: Ebola virus doesn't disappear, it just hides (Ivory Coast)
Saving the Okavango: a great wetland needs water (Angola and Botswana)
People's park: conservation and human rights in Gorongosa (Mozambique)
Gift of the wild: the legacy of Doug Tompkins and Kristine McDivitt Tompkins (Chile and Argentina)
Boots on the Ground: a private organization undertakes to protect and run African peaks (Chad, Democratic Republic of the Congo, and Benin)
Afterword: still beating.