diff --git a/src/manager/kiwix-manage.cpp b/src/manager/kiwix-manage.cpp
index 8364afa..2022d38 100644
--- a/src/manager/kiwix-manage.cpp
+++ b/src/manager/kiwix-manage.cpp
@@ -60,8 +60,8 @@ static const char USAGE[] =
 R"(Manipulates the Kiwix library XML file
 
 Usage:
- kiwix-manage LIBRARYPATH add [--zimPathToSave=<custom_zim_path>] [--url=<http_zim_url>] ZIMPATH
- kiwix-manage LIBRARYPATH remove|delete ZIMID ...
+ kiwix-manage LIBRARYPATH add [--zimPathToSave=<custom_zim_path>] [--url=<http_zim_url>] ZIMPATH ...
+ kiwix-manage LIBRARYPATH (delete|remove) ZIMID ...
  kiwix-manage LIBRARYPATH show [ZIMID ...]
  kiwix-manage -v | --version
  kiwix-manage -h | --help
@@ -69,7 +69,7 @@ Usage:
 Arguments:
   LIBRARYPATH    The XML library file path.
   ZIMID          ZIM file unique ID.
-  ZIMPATH        A path to a zim to add.
+  ZIMPATH        A path to a ZIM to add.
 
 Options:
   Custom options for "add" action:
@@ -87,23 +87,24 @@ Examples:
 
 Documentation:
   Source code  https://github.com/kiwix/kiwix-tools
-  More info   https://wiki.kiwix.org/wiki/Kiwix-manage
+  More info    https://wiki.kiwix.org/wiki/kiwix-manage
 )";
 
 int handle_show(const kiwix::Library& library, const std::string& libraryPath,
                  const Options& options)
 {
-  if (options.at("ZIMID").isStringList()) {
-    auto bookIds = options.at("ZIMID").asStringList();
-    for(auto& bookId: bookIds) {
-       show(library, bookId);
-    }
-  } else {
+  if (options.at("ZIMID").asStringList().empty()) {
     auto booksIds = library.getBooksIds();
     for(auto& bookId: booksIds) {
       show(library, bookId);
     }
+  } else {
+    auto bookIds = options.at("ZIMID").asStringList();
+    for(auto& bookId: bookIds) {
+       show(library, bookId);
+    }
   }
+
   return(0);
 }
 
@@ -115,19 +116,21 @@ int handle_add(kiwix::LibraryPtr library, const std::string& libraryPath,
 
   kiwix::Manager manager(library);
 
-  std::string zimPath = options.at("ZIMPATH").asString();
-  if (options.at("--zimPathToSave").isString()) {
-    zimPathToSave = options.at("--zimPathToSave").asString();
-  } else {
-    zimPathToSave = zimPath;
-  }
-  if (options.at("--url").isString()) {
-    url = options.at("--url").asString();
-  }
+  auto zimPaths = options.at("ZIMPATH").asStringList();
+  for (auto& zimPath: zimPaths) {
+    if (options.at("--zimPathToSave").isString()) {
+      zimPathToSave = options.at("--zimPathToSave").asString();
+    } else {
+      zimPathToSave = zimPath;
+    }
+    if (options.at("--url").isString()) {
+      url = options.at("--url").asString();
+    }
 
-  if (manager.addBookFromPathAndGetId(zimPath, zimPathToSave, url, false).empty()) {
-    std::cerr << "Cannot add zim " << zimPath << " to the library." << std::endl;
-    return 1;
+    if (manager.addBookFromPathAndGetId(zimPath, zimPathToSave, url, false).empty()) {
+      std::cerr << "Cannot add ZIM " << zimPath << " to the library." << std::endl;
+      return 1;
+    }
   }
 
   return 0;