diff --git a/iOSBooks/.swiftlint.yml b/iOSBooks/.swiftlint.yml
new file mode 100644
index 0000000..0e5584f
--- /dev/null
+++ b/iOSBooks/.swiftlint.yml
@@ -0,0 +1,46 @@
+excluded: # paths to ignore during linting. Takes precedence over `included`.
+  - Pods
+  - iOSBooksTests
+included:
+  - iOSBooks
+whitelist_rules:
+  - colon
+  - implicitly_unwrapped_optional
+  - empty_count
+  - force_cast
+  - force_try
+  - force_unwrapping
+  - first_where
+  - last_where
+  - legacy_random
+  - nslocalizedstring_key
+  - overridden_super_call
+  - private_over_fileprivate
+  - redundant_nil_coalescing
+  - redundant_optional_initialization
+  - redundant_string_enum_value
+  - sorted_first_last
+  - sorted_imports
+  - statement_position
+colon: warning
+empty_count: warning
+force_cast: error
+force_try: error
+force_unwrapping: error
+first_where: warning
+implicitly_unwrapped_optional:
+  severity: error
+last_where: warning
+legacy_random: warning
+nslocalizedstring_key: warning
+overridden_super_call:
+  severity: warning
+private_over_fileprivate:
+  severity: warning
+redundant_nil_coalescing: warning
+redundant_optional_initialization: warning
+redundant_string_enum_value: warning
+sorted_first_last: warning
+sorted_imports: warning
+statement_position:
+  severity: warning
diff --git a/iOSBooks/Podfile b/iOSBooks/Podfile
index 4f3cc9d..98d6539 100644
--- a/iOSBooks/Podfile
+++ b/iOSBooks/Podfile
@@ -8,6 +8,7 @@ target 'iOSBooks' do
   # Pods for iOSBooks
   pod 'PromiseKit'
   pod 'Kingfisher', "~>5.1"
+  pod 'SwiftLint'
 
   target 'iOSBooksTests' do
     inherit! :search_paths
diff --git a/iOSBooks/iOSBooks.xcodeproj/project.pbxproj b/iOSBooks/iOSBooks.xcodeproj/project.pbxproj
index 3652d78..7ea6356 100644
--- a/iOSBooks/iOSBooks.xcodeproj/project.pbxproj
+++ b/iOSBooks/iOSBooks.xcodeproj/project.pbxproj
@@ -327,6 +327,7 @@
 				0E3964D12314BB470093738B /* Frameworks */,
 				0E3964D22314BB470093738B /* Resources */,
 				29B8A3AC18D11FEF43C48244 /* [CP] Embed Pods Frameworks */,
+				74B9187D231CBF9800ADDEA4 /* ShellScript */,
 			);
 			buildRules = (
 			);
@@ -473,6 +474,23 @@
 			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-iOSBooksTests/Pods-iOSBooksTests-frameworks.sh\"\n";
 			showEnvVarsInLog = 0;
 		};
+		74B9187D231CBF9800ADDEA4 /* ShellScript */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "if which swiftlint >/dev/null; then\nswiftlint\nelse\necho \"warning: SwiftLint not installed, download from https://github.com/realm/SwiftLint\"\nfi\n";
+		};
 		B1160ABF1429D7BD27416220 /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
diff --git a/iOSBooks/iOSBooks/BookDetail/View/BookDetailViewController.swift b/iOSBooks/iOSBooks/BookDetail/View/BookDetailViewController.swift
index 4a3b9c1..f1ccb35 100644
--- a/iOSBooks/iOSBooks/BookDetail/View/BookDetailViewController.swift
+++ b/iOSBooks/iOSBooks/BookDetail/View/BookDetailViewController.swift
@@ -31,7 +31,7 @@ class BookDetailViewController: UIViewController {
     
     override func viewDidAppear(_ animated: Bool) {
         super.viewDidAppear(animated)
-        descriptionTextView?.scrollRangeToVisible(NSRange(location:0, length:0))
+        descriptionTextView?.scrollRangeToVisible(NSRange(location: 0, length: 0))
     }
 
     @objc func dismissScreen() {
diff --git a/iOSBooks/iOSBooks/BooksList/View/BooksListViewController.swift b/iOSBooks/iOSBooks/BooksList/View/BooksListViewController.swift
index a528d44..e3c47c6 100644
--- a/iOSBooks/iOSBooks/BooksList/View/BooksListViewController.swift
+++ b/iOSBooks/iOSBooks/BooksList/View/BooksListViewController.swift
@@ -19,6 +19,7 @@ class BooksListViewController: UIViewController {
     
     // MARK: - View Life Cycle
     override func viewDidLoad() {
+        super.viewDidLoad()
         setupCollectionView()
         setupFavoritesFilterButton()
     }
diff --git a/iOSBooks/iOSBooks/BooksList/ViewModel/BooksListViewModel.swift b/iOSBooks/iOSBooks/BooksList/ViewModel/BooksListViewModel.swift
index 9fe2f68..19fbdef 100644
--- a/iOSBooks/iOSBooks/BooksList/ViewModel/BooksListViewModel.swift
+++ b/iOSBooks/iOSBooks/BooksList/ViewModel/BooksListViewModel.swift
@@ -41,7 +41,7 @@ class BooksListViewModel: BooksListViewModelProtocol {
     func cellForItem(inCollectionView collectionView: UICollectionView, atIndexPath indexPath: IndexPath) -> UICollectionViewCell {
         let cell: BooksCell = collectionView.dequeueReusableCell(for: indexPath)
         let book: Book?
-        var image: UIImage? = nil
+        var image: UIImage?
         if showFavorites {
             book = savedItems.books[indexPath.item].book
             image = savedItems.images[indexPath.item]
diff --git a/iOSBooks/iOSBooks/Data/Endpoints/BooksAPI.swift b/iOSBooks/iOSBooks/Data/Endpoints/BooksAPI.swift
index 70390e6..b88a4a7 100644
--- a/iOSBooks/iOSBooks/Data/Endpoints/BooksAPI.swift
+++ b/iOSBooks/iOSBooks/Data/Endpoints/BooksAPI.swift
@@ -26,7 +26,7 @@ enum BooksAPI: Endpoint {
         }
     }
     
-    var headers: [String : String]? {
+    var headers: [String: String]? {
         switch self {
         case .list:
             return nil
diff --git a/iOSBooks/iOSBooks/Data/Models/BooksList.swift b/iOSBooks/iOSBooks/Data/Models/BooksList.swift
index 2a2de78..d0fc590 100644
--- a/iOSBooks/iOSBooks/Data/Models/BooksList.swift
+++ b/iOSBooks/iOSBooks/Data/Models/BooksList.swift
@@ -10,7 +10,7 @@ import Foundation
 
 class BooksList: Codable {
     let items: [Item]?
-    let totalItems : Int?
+    let totalItems: Int?
     
     enum CodingKeys: String, CodingKey {
         case items, totalItems
diff --git a/iOSBooks/iOSBooks/Data/Models/Item.swift b/iOSBooks/iOSBooks/Data/Models/Item.swift
index cf2b625..b68e222 100644
--- a/iOSBooks/iOSBooks/Data/Models/Item.swift
+++ b/iOSBooks/iOSBooks/Data/Models/Item.swift
@@ -11,7 +11,7 @@ import Foundation
 class Item: Codable {
     var id: String?
     var book: Book?
-    var salesInfo : SalesInfo?
+    var salesInfo: SalesInfo?
     
     init() {
         id = nil