diff --git a/src/cli/ndb_cli.cc b/src/cli/ndb_cli.cc
index f67f9a6..37373d9 100644
--- a/src/cli/ndb_cli.cc
+++ b/src/cli/ndb_cli.cc
@@ -170,6 +170,9 @@ void NDBCli::connectSignals() {
     NDBCLI_SIG_CONNECT(dlgConfirmTextInput, handleSignalParam1);
     NDBCLI_SIG_CONNECT(pfmAboutToConnect, handleSignalParam0);
     NDBCLI_SIG_CONNECT(pfmDoneProcessing, handleSignalParam0);
+    NDBCLI_SIG_CONNECT(fssFinished, handleSignalParam0);
+    NDBCLI_SIG_CONNECT(fssGotNumFilesToProcess, handleSignalParam1);
+    NDBCLI_SIG_CONNECT(fssParseProgress, handleSignalParam1);
     NDBCLI_SIG_CONNECT(wmLinkQualityForConnectedNetwork, handleSignalParam1);
     NDBCLI_SIG_CONNECT(wmMacAddressAvailable, handleSignalParam1);
     NDBCLI_SIG_CONNECT(wmNetworkConnected, handleSignalParam0);
diff --git a/src/ndb/NDBDbus.cc b/src/ndb/NDBDbus.cc
index ba4e5d7..8913ada 100644
--- a/src/ndb/NDBDbus.cc
+++ b/src/ndb/NDBDbus.cc
@@ -96,6 +96,9 @@ NDBDbus::NDBDbus(QObject* parent) : QObject(parent), QDBusContext() {
     // Resolve the rest of the Nickel symbols up-front
     // PlugWorkFlowManager
     NDB_RESOLVE_SYMBOL("_ZN19PlugWorkflowManager14sharedInstanceEv", nh_symoutptr(nSym.PlugWorkflowManager_sharedInstance));
+    // N3FSSyncManager
+    NDB_RESOLVE_SYMBOL("_ZN15N3FSSyncManager14sharedInstanceEv", nh_symoutptr(nSym.N3FSSyncManager__sharedInstance));
+    NDB_RESOLVE_SYMBOL("_ZN15N3FSSyncManager4syncERK11QStringList", nh_symoutptr(nSym.N3FSSyncManager__sync));
     // WirelessManager
     NDB_RESOLVE_SYMBOL("_ZN15WirelessManager14sharedInstanceEv", nh_symoutptr(nSym.WirelesManager_sharedInstance));
     // Toast
@@ -713,6 +716,72 @@ void NDBDbus::pfmRescanBooksFull() {
     return ndbNickelMisc("rescan_books_full");
 }
 
+/*!
+ * \brief Begins a filesystem sync to add/remove content from onboard storage
+ * 
+ * This is a more targeted option to add new content compared to \l pfmRescanBooks 
+ * and \l pfmRescanBooksFull. It is what the browser uses when downloading
+ * ebook files.
+ * 
+ * Emits \l fssGotNumFilesToProcess signal to specify the number of files 
+ * to be added, \l fssParseProgress to specify the current progress, and the 
+ * \l fssFinished signal is emitted when complete.
+ * 
+ * \since 0.3.0
+ */
+void NDBDbus::n3fssSyncOnboard() {
+    QStringList path("/mnt/onboard");
+    return n3fssSync(&path);
+}
+
+/*!
+ * \brief Begins a filesystem sync to add/remove content from sd storage
+ * 
+ * This is a more targeted option to add new content compared to \l pfmRescanBooks 
+ * and \l pfmRescanBooksFull. It is what the browser uses when downloading
+ * ebook files.
+ * 
+ * Emits \l fssGotNumFilesToProcess signal to specify the number of files 
+ * to be added, \l fssParseProgress to specify the current progress, and the 
+ * \l fssFinished signal is emitted when complete.
+ * 
+ * \since 0.3.0
+ */
+void NDBDbus::n3fssSyncSD() {
+    QStringList path("/mnt/sd");
+    return n3fssSync(&path);
+}
+
+/*!
+ * \brief Begins a filesystem sync to add/remove content from onboard and sd storage
+ * 
+ * This is a more targeted option to add new content compared to \l pfmRescanBooks 
+ * and \l pfmRescanBooksFull. It is what the browser uses when downloading
+ * ebook files.
+ * 
+ * Emits \l fssGotNumFilesToProcess signal to specify the number of files 
+ * to be added, \l fssParseProgress to specify the current progress, and the 
+ * \l fssFinished signal is emitted when complete.
+ * 
+ * \since 0.3.0
+ */
+void NDBDbus::n3fssSyncBoth() {
+    QStringList paths = QStringList() << "/mnt/onboard" << "/mnt/sd";
+    return n3fssSync(&paths);
+}
+
+void NDBDbus::n3fssSync(QStringList* paths) {
+    NDB_DBUS_USB_ASSERT((void) 0);
+    NDB_DBUS_ASSERT((void) 0, QDBusError::InternalError, 
+            nSym.N3FSSyncManager__sharedInstance && nSym.N3FSSyncManager__sync, "no N3FSSyncManager symbols");
+    N3FSSyncManager* n3fssm = nSym.N3FSSyncManager__sharedInstance();
+    NDB_DBUS_ASSERT((void) 0, QDBusError::InternalError, n3fssm, "could not get N3FSSyncManager::sharedInstance()");
+    QObject::connect(n3fssm, SIGNAL(finished()), this, SIGNAL(fssFinished()), Qt::UniqueConnection);
+    QObject::connect(n3fssm, SIGNAL(gotNumFilesToProcess(int)), this, SIGNAL(fssGotNumFilesToProcess(int)), Qt::UniqueConnection);
+    QObject::connect(n3fssm, SIGNAL(parseProgress(int)), this, SIGNAL(fssParseProgress(int)), Qt::UniqueConnection);
+    return nSym.N3FSSyncManager__sync(n3fssm, paths);
+}
+
 void NDBDbus::ndbNickelMisc(const char *action) {
     nm_action_result_t *res = nm_action_nickel_misc(action);
     if (!res) {
diff --git a/src/ndb/NDBDbus.h b/src/ndb/NDBDbus.h
index 02762a3..0394795 100644
--- a/src/ndb/NDBDbus.h
+++ b/src/ndb/NDBDbus.h
@@ -19,6 +19,8 @@ typedef void MainWindowController;
 typedef QDialog ConfirmationDialog;
 typedef QWidget N3Dialog;
 typedef void Device;
+typedef QObject FSSyncManager;
+typedef FSSyncManager N3FSSyncManager;
 
 #ifndef NDB_DBUS_IFACE_NAME
     #define NDB_DBUS_IFACE_NAME "com.github.shermp.nickeldbus"
@@ -48,6 +50,10 @@ class NDBDbus : public QObject, protected QDBusContext {
         // PlugworkFlowManager signals
         void pfmDoneProcessing();
         void pfmAboutToConnect();
+        // FSSyncManager signals
+        void fssFinished();
+        void fssGotNumFilesToProcess(int num);
+        void fssParseProgress(int progress);
         // WirelessManager signals
         void wmTryingToConnect();
         void wmNetworkConnected();
@@ -94,6 +100,10 @@ class NDBDbus : public QObject, protected QDBusContext {
         // PlugWorkFlowManager
         void pfmRescanBooks();
         void pfmRescanBooksFull();
+        // N3FSSyncManager
+        void n3fssSyncOnboard();
+        void n3fssSyncSD();
+        void n3fssSyncBoth();
         // Wireless methods (WirelessFlowManager)
         void wfmConnectWireless();
         void wfmConnectWirelessSilently();
@@ -138,6 +148,8 @@ class NDBDbus : public QObject, protected QDBusContext {
             Device *(*Device__getCurrentDevice)();
             QByteArray (*Device__userAgent)(Device*);
             QSize (*Image__sizeForType)(Device*, QString const&);
+            N3FSSyncManager* (*N3FSSyncManager__sharedInstance)();
+            void (*N3FSSyncManager__sync)(N3FSSyncManager* _this, QStringList* paths);
         } nSym;
         QTimer *viewTimer;
         bool ndbInUSBMS();
@@ -152,6 +164,7 @@ class NDBDbus : public QObject, protected QDBusContext {
         void rvConnectSignals(QWidget* rv);
         void dlgConfirmLineEditFull(QString const& title, QString const& acceptText, QString const& rejectText, bool isPassword, QString const& setText);
         enum Result dlgConfirmCreatePreset(QString const& title, QString const& body, QString const& acceptText, QString const& rejectText);
+        void n3fssSync(QStringList* paths);
 };
 
 } // namespace NDB