diff --git a/README.md b/README.md
index 8c08ef40..25d52256 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,11 @@ Hora de colocar a mão na massa. A parte mais divertida, trabalhar no código-fo
 
 ### 5 MISSÃO CUMPRIDA. VC AJUDOU O PROJETO. ❤️
 
+## Observções:  
+Verifique a versão do Node - Recomendamos Versão 10.x.x  
+Versões recentes tem apresentado instabilidades com pacotes presente no projeto.  
+Use o Angular 7+
+
 # Rodar o app pela primeira vez
 
 ```bash
diff --git a/src/app/components/input-search/input-search.component.html b/src/app/components/input-search/input-search.component.html
index c2795ae8..d60be158 100644
--- a/src/app/components/input-search/input-search.component.html
+++ b/src/app/components/input-search/input-search.component.html
@@ -12,4 +12,20 @@
       <button class="btn btn-outline-primary" type="submit" id="button-addon2">Pesquisar</button>
     </div>
   </div>
+  <div
+        *ngIf="searchAlert"
+        #alert
+        class="alert alert-warning alert-dismissible fade show"
+        role="alert"
+      >
+        <button
+          type="button"
+          class="close"
+          aria-label="Close"
+          (click)="closeAlert()"
+        >
+          <span aria-hidden="true">&times;</span>
+        </button>
+        <strong>Você deve incluir uma palavra na pesquisa</strong>
+      </div>
 </form>
diff --git a/src/app/components/input-search/input-search.component.ts b/src/app/components/input-search/input-search.component.ts
index 8e288cb5..205b2ef4 100644
--- a/src/app/components/input-search/input-search.component.ts
+++ b/src/app/components/input-search/input-search.component.ts
@@ -1,4 +1,4 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, ViewChild, ElementRef } from '@angular/core';
 import { FormGroup, FormBuilder, Validators } from '@angular/forms';
 import { Router } from '@angular/router';
 
@@ -9,6 +9,7 @@ import { Router } from '@angular/router';
 })
 export class InputSearchComponent implements OnInit {
   public searchForm: FormGroup;
+  public searchAlert = false;
 
   constructor(private fb: FormBuilder, private _router: Router) {}
 
@@ -19,6 +20,22 @@ export class InputSearchComponent implements OnInit {
   }
 
   public search(): void {
-    this._router.navigate(['/book/search', this.searchForm.value.paramSearch]);
+    // verifica se há alguma coisa na busca - senão houver exibe um alerta e não direciona pesquisa
+    if (this.searchForm.value.paramSearch){
+      this._router.navigate(['/book/search', this.searchForm.value.paramSearch]);
+      this.searchAlert = false;
+    } else {
+      this.searchAlert = true;
+    }
+    
+  }
+
+  @ViewChild("alert") alert: ElementRef;
+
+  // remove o alerta, e joga para a home do site ajustando o menu novamente sem o alerta
+  closeAlert() {
+    this.alert.nativeElement.classList.remove("show");
+    this._router.navigate(['/']);
+    this.searchAlert = false;
   }
 }