diff --git a/deps.edn b/deps.edn
new file mode 100644
index 0000000..fef16a6
--- /dev/null
+++ b/deps.edn
@@ -0,0 +1,3 @@
+;; deps.edn to use this library as a git dependency for babashka
+{:paths ["src/clj"]
+ :deps {riddley/riddley {:mvn/version "0.1.12"}}}
diff --git a/src/clj/com/rpl/specter/impl.cljc b/src/clj/com/rpl/specter/impl.cljc
index 2493271..9a92b2c 100644
--- a/src/clj/com/rpl/specter/impl.cljc
+++ b/src/clj/com/rpl/specter/impl.cljc
@@ -15,10 +15,11 @@
             #?(:clj [clojure.pprint :as pp])
             [clojure.string :as s]
             [clojure.walk :as walk]
-            #?(:clj [riddley.walk :as riddley]))
-
-  #?(:clj (:import [com.rpl.specter Util MutableCell])))
+            #?(:bb [clojure.walk :as riddley]
+               :clj [riddley.walk :as riddley]))
 
+  #?@(:bb []
+      :clj [(:import [com.rpl.specter Util MutableCell])]))
 
 (def NONE ::NONE)
 
@@ -82,7 +83,9 @@
    (defn intern* [ns name val]
      (throw (ex-info "intern not supported in ClojureScript" {}))))
 
-#?(
+#?(:bb
+   (defmacro fast-object-array [i]
+     `(object-array ~i))
    :clj
    (defmacro fast-object-array [i]
      `(com.rpl.specter.Util/makeObjectArray ~i)))
@@ -101,7 +104,8 @@
        (if (= platform :cljs)
          `(p/select* ~this ~@args)
          `(let [~hinted ~this]
-            (.select* ~hinted ~@args)))))
+            (#?(:bb p/select*
+                :clj .select*) ~hinted ~@args)))))
    :cljs
    (defn exec-select* [this vals structure next-fn]
      (p/select* ^not-native this vals structure next-fn)))
@@ -115,7 +119,8 @@
        (if (= platform :cljs)
          `(p/transform* ~this ~@args)
          `(let [~hinted ~this]
-            (.transform* ~hinted ~@args)))))
+            (#?(:bb p/transform*
+                :clj .transform*) ~hinted ~@args)))))
 
    :cljs
    (defn exec-transform* [this vals structure next-fn]
@@ -214,13 +219,19 @@
      (set_cell [cell x])))
 
 
-#?(:cljs
+#?(:bb
+   (defrecord MutableCell [x])
+   :cljs
    (deftype MutableCell [^:volatile-mutable q]
      PMutableCell
      (set_cell [this x] (set! q x))))
 
 
-#?(
+#?(:bb
+   (defn mutable-cell
+     ([] (mutable-cell nil))
+     ([v] (MutableCell. (volatile! v))))
+
    :clj
    (defn mutable-cell
      ([] (mutable-cell nil))
@@ -232,7 +243,10 @@
      ([init] (MutableCell. init))))
 
 
-#?(
+#?(:bb
+   (defn set-cell! [^MutableCell c v]
+     (vreset! (:x c) v))
+
    :clj
    (defn set-cell! [^MutableCell c v]
      (.set c v))
@@ -242,7 +256,10 @@
      (set_cell cell val)))
 
 
-#?(
+#?(:bb
+   (defn get-cell [^MutableCell c]
+     @(:x c))
+
    :clj
    (defn get-cell [^MutableCell c]
      (.get c))
@@ -290,8 +307,10 @@
 (defn do-compiled-traverse* [apath structure]
   (reify #?(:clj clojure.lang.IReduce :cljs cljs.core/IReduce)
     (#?(:clj reduce :cljs -reduce)
-      [this afn]
-      (#?(:clj .reduce :cljs -reduce) this afn (afn)))
+        [this afn]
+      #?(:bb (reduce afn (afn) this)
+         :default
+         (#?(:clj .reduce :cljs -reduce) this afn (afn))))
     (#?(:clj reduce :cljs -reduce)
       [this afn start]
       (let [cell (mutable-cell start)]
@@ -308,6 +327,9 @@
         ))))
 
 #?(
+:bb
+(defn- call-reduce-interface [^clojure.lang.IReduce traverser afn start]
+  (reduce afn start traverser))
 :clj
 (defn- call-reduce-interface [^clojure.lang.IReduce traverser afn start]
   (.reduce traverser afn start)
@@ -322,8 +344,10 @@
   (let [traverser (do-compiled-traverse* apath structure)]
     (reify #?(:clj clojure.lang.IReduce :cljs cljs.core/IReduce)
       (#?(:clj reduce :cljs -reduce)
-        [this afn]
-        (#?(:clj .reduce :cljs -reduce) this afn (afn)))
+          [this afn]
+        #?(:bb (reduce afn (afn) this)
+           :default
+           (#?(:clj .reduce :cljs -reduce) this afn (afn))))
       (#?(:clj reduce :cljs -reduce)
         [this afn start]
         (let [res (call-reduce-interface traverser afn start)]
diff --git a/src/clj/com/rpl/specter/navs.cljc b/src/clj/com/rpl/specter/navs.cljc
index 6465432..a587402 100644
--- a/src/clj/com/rpl/specter/navs.cljc
+++ b/src/clj/com/rpl/specter/navs.cljc
@@ -8,7 +8,8 @@
   #?(:clj (:use [com.rpl.specter.macros :only [defnav defrichnav]]
                 [com.rpl.specter.util-macros :only [doseqres]]))
   (:require [com.rpl.specter.impl :as i]
-            #?(:clj [clojure.core.reducers :as r])))
+            #?@(:bb []
+                :clj [[clojure.core.reducers :as r]])))
 
 
 (defn not-selected?*
@@ -103,7 +104,10 @@
       structure))
 
   #?(:clj clojure.lang.PersistentArrayMap)
-  #?(:clj
+  #?(:bb
+     (all-transform [structure next-fn]
+                    (non-transient-map-all-transform structure next-fn {}))
+     :clj
      (all-transform [structure next-fn]
        (let [k-it (.keyIterator structure)
              v-it (.valIterator structure)
@@ -185,10 +189,13 @@
 
 
                :else
-               (->> structure
-                    (r/map next-fn)
-                    (r/filter not-NONE?)
-                    (into empty-structure))))))
+               #?(:bb (into empty-structure
+                            (comp (map next-fn) (filter not-NONE?))
+                            structure)
+                  :clj (->> structure
+                            (r/map next-fn)
+                            (r/filter not-NONE?)
+                            (into empty-structure)))))))
 
 
   #?(:cljs default)
@@ -255,7 +262,10 @@
 
 
   #?(:clj clojure.lang.PersistentArrayMap)
-  #?(:clj
+  #?(:bb
+     (map-vals-transform [structure next-fn]
+                         (map-vals-non-transient-transform structure {} next-fn))
+     :clj
      (map-vals-transform [structure next-fn]
        (let [k-it (.keyIterator structure)
              v-it (.valIterator structure)
@@ -282,7 +292,10 @@
                         array
                         )]
           (clojure.lang.PersistentArrayMap. array)))))
-  #?(:clj
+  #?(:bb
+     (map-keys-transform [structure next-fn]
+                         (map-keys-non-transient-transform structure {} next-fn))
+     :clj
      (map-keys-transform [structure next-fn]
        (let [k-it (.keyIterator structure)
              v-it (.valIterator structure)
@@ -505,7 +518,10 @@
       structure
       (updater structure next-fn))))
 
-#?(
+#?(:bb
+   (defn vec-count [v]
+     (count v))
+
    :clj
    (defn vec-count [^clojure.lang.IPersistentVector v]
      (.length v))
@@ -557,7 +573,10 @@
           (assoc v i newe))))))
 
 
-#?(
+#?(:bb
+   (defn transient-vec-count [v]
+     (count v))
+
    :clj
    (defn transient-vec-count [^clojure.lang.ITransientVector v]
      (.count v))